MERCURY_OPTIONS= make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2024-07-24/tests/valid' { echo MCFLAGS += '--grade java --options-file /mnt/testing/run/build/mercury-srcdist-rotd-2024-07-24/stage2/Mercury.options --mercury-linkage static -j2 --flags ../TESTS_FLAGS --flags ../WS_FLAGS --use-subdirs '; echo MCFLAGS += ' '; echo CFLAGS += ' '; echo JAVACFLAGS += '-J"-Xmx1024m" '; echo CSCFLAGS += ' '; echo C2INITARGS += ' /mnt/testing/run/build/mercury-srcdist-rotd-2024-07-24/stage2/library/mer_std.init /mnt/testing/run/build/mercury-srcdist-rotd-2024-07-24/stage2/runtime/mer_rt.init '; echo MLLIBS += ' '; echo MLOBJS += ' '; echo LDFLAGS += ' '; echo LD_LIBFLAGS += ' '; echo EXTRA_LIBRARIES += ''; echo EXTRA_LIB_DIRS += ''; echo LIBGRADES = 'hlc.gc '; echo INSTALL_PREFIX = '/mnt/testing/run/install'; echo LINKAGE = 'shared'; echo MERCURY_LINKAGE = 'shared'; } | /mnt/testing/run/build/mercury-srcdist-rotd-2024-07-24/stage2/scripts/mmc --make --options-file - mpj5.depend make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2024-07-24/tests/valid' make[3]: Entering directory '/mnt/testing/run/build/mercury-srcdist-rotd-2024-07-24/tests/valid' { echo MCFLAGS += '--grade java --options-file /mnt/testing/run/build/mercury-srcdist-rotd-2024-07-24/stage2/Mercury.options --mercury-linkage static -j2 --flags ../TESTS_FLAGS --flags ../WS_FLAGS --use-subdirs '; echo MCFLAGS += ' '; echo CFLAGS += ' '; echo JAVACFLAGS += '-J"-Xmx1024m" '; echo CSCFLAGS += ' '; echo C2INITARGS += ' /mnt/testing/run/build/mercury-srcdist-rotd-2024-07-24/stage2/library/mer_std.init /mnt/testing/run/build/mercury-srcdist-rotd-2024-07-24/stage2/runtime/mer_rt.init '; echo MLLIBS += ' '; echo MLOBJS += ' '; echo LDFLAGS += ' '; echo LD_LIBFLAGS += ' '; echo EXTRA_LIBRARIES += ''; echo EXTRA_LIB_DIRS += ''; echo LIBGRADES = 'hlc.gc '; echo INSTALL_PREFIX = '/mnt/testing/run/install'; echo LINKAGE = 'shared'; echo MERCURY_LINKAGE = 'shared'; } | /mnt/testing/run/build/mercury-srcdist-rotd-2024-07-24/stage2/scripts/mmc --make --options-file - mpj5.class Making Mercury/int3s/mpj5.int3 Making Mercury/ints/mpj5.int Making Mercury/javas/jmercury/mpj5.java mpj5.m:009: In module `mpj5': mpj5.m:009: warning: module `list' is imported in the interface, but it is mpj5.m:009: not used in the interface. Making Mercury/classes/jmercury/mpj5.class Mercury/javas/jmercury/mpj5.java:15: error: package jmercury.runtime does not exist private static final jmercury.runtime.TypeInfo_Struct __vpti_func_2__pseudo_1__plain_bool__type_ctor_info_bool_0 = new jmercury.runtime.TypeInfo_Struct(); ^ Mercury/javas/jmercury/mpj5.java:16: error: package jmercury.runtime does not exist private static final jmercury.runtime.PseudoTypeInfo[] mpj5__field_types_cf_1_0 = new jmercury.runtime.PseudoTypeInfo[1]; ^ Mercury/javas/jmercury/mpj5.java:17: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuFunctorDesc mpj5__du_functor_desc_cf_1_0 = new jmercury.runtime.DuFunctorDesc(); ^ Mercury/javas/jmercury/mpj5.java:18: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuFunctorDesc[] mpj5__du_stag_ordered_cf_1_0 = new jmercury.runtime.DuFunctorDesc[1]; ^ Mercury/javas/jmercury/mpj5.java:19: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuPtagLayout[] mpj5__du_ptag_ordered_cf_1 = new jmercury.runtime.DuPtagLayout[1]; ^ Mercury/javas/jmercury/mpj5.java:20: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuFunctorDesc[] mpj5__du_name_ordered_cf_1 = new jmercury.runtime.DuFunctorDesc[1]; ^ Mercury/javas/jmercury/mpj5.java:22: error: package jmercury.runtime does not exist public static final jmercury.runtime.TypeCtorInfo_Struct mpj5__type_ctor_info_cf_1 = new jmercury.runtime.TypeCtorInfo_Struct(); ^ Mercury/javas/jmercury/mpj5.java:23: error: package jmercury.runtime does not exist private static final jmercury.runtime.PseudoTypeInfo[] mpj5__field_types_w_1_0 = new jmercury.runtime.PseudoTypeInfo[1]; ^ Mercury/javas/jmercury/mpj5.java:24: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuFunctorDesc mpj5__du_functor_desc_w_1_0 = new jmercury.runtime.DuFunctorDesc(); ^ Mercury/javas/jmercury/mpj5.java:25: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuFunctorDesc[] mpj5__du_stag_ordered_w_1_0 = new jmercury.runtime.DuFunctorDesc[1]; ^ Mercury/javas/jmercury/mpj5.java:26: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuPtagLayout[] mpj5__du_ptag_ordered_w_1 = new jmercury.runtime.DuPtagLayout[1]; ^ Mercury/javas/jmercury/mpj5.java:27: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuFunctorDesc[] mpj5__du_name_ordered_w_1 = new jmercury.runtime.DuFunctorDesc[1]; ^ Mercury/javas/jmercury/mpj5.java:29: error: package jmercury.runtime does not exist public static final jmercury.runtime.TypeCtorInfo_Struct mpj5__type_ctor_info_w_1 = new jmercury.runtime.TypeCtorInfo_Struct(); ^ Mercury/javas/jmercury/mpj5.java:32: error: package jmercury.runtime does not exist private static final jmercury.runtime.TypeClassMethod[] mpj5__type_class_id_method_ids_coll_2 = new jmercury.runtime.TypeClassMethod[3]; ^ Mercury/javas/jmercury/mpj5.java:33: error: package jmercury.runtime does not exist private static final jmercury.runtime.TypeClassId mpj5__type_class_id_coll_2 = new jmercury.runtime.TypeClassId(); ^ Mercury/javas/jmercury/mpj5.java:34: error: package jmercury.runtime does not exist public static final jmercury.runtime.TypeClassDeclStruct mpj5__type_class_decl_coll_2 = new jmercury.runtime.TypeClassDeclStruct(); ^ Mercury/javas/jmercury/mpj5.java:344: error: package jmercury.runtime does not exist jmercury.runtime.TypeInfo_Struct TypeInfo_for_T_8, ^ Mercury/javas/jmercury/mpj5.java:603: error: package jmercury.runtime does not exist implements jmercury.runtime.MercuryType ^ Mercury/javas/jmercury/mpj5.java:342: error: package builtin does not exist public static builtin.Comparison_result_0 ^ Mercury/javas/jmercury/mpj5.java:386: error: package jmercury.runtime does not exist jmercury.runtime.TypeInfo_Struct TypeInfo_for_T_8, ^ Mercury/javas/jmercury/mpj5.java:620: error: package jmercury.runtime does not exist implements jmercury.runtime.MercuryType ^ Mercury/javas/jmercury/mpj5.java:384: error: package builtin does not exist public static builtin.Comparison_result_0 ^ Mercury/javas/jmercury/mpj5.java:428: error: package jmercury.runtime does not exist jmercury.runtime.TypeInfo_Struct TypeInfo_for_T_7, ^ Mercury/javas/jmercury/mpj5.java:467: error: package jmercury.runtime does not exist jmercury.runtime.TypeInfo_Struct TypeInfo_for_T_7, ^ Mercury/javas/jmercury/mpj5.java:506: error: package jmercury.runtime does not exist implements jmercury.runtime.MethodPtr1 ^ Mercury/javas/jmercury/mpj5.java:524: error: package jmercury.runtime does not exist implements jmercury.runtime.MethodPtr3 ^ Mercury/javas/jmercury/mpj5.java:15: error: package jmercury.runtime does not exist private static final jmercury.runtime.TypeInfo_Struct __vpti_func_2__pseudo_1__plain_bool__type_ctor_info_bool_0 = new jmercury.runtime.TypeInfo_Struct(); ^ Mercury/javas/jmercury/mpj5.java:16: error: package jmercury.runtime does not exist private static final jmercury.runtime.PseudoTypeInfo[] mpj5__field_types_cf_1_0 = new jmercury.runtime.PseudoTypeInfo[1]; ^ Mercury/javas/jmercury/mpj5.java:17: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuFunctorDesc mpj5__du_functor_desc_cf_1_0 = new jmercury.runtime.DuFunctorDesc(); ^ Mercury/javas/jmercury/mpj5.java:18: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuFunctorDesc[] mpj5__du_stag_ordered_cf_1_0 = new jmercury.runtime.DuFunctorDesc[1]; ^ Mercury/javas/jmercury/mpj5.java:19: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuPtagLayout[] mpj5__du_ptag_ordered_cf_1 = new jmercury.runtime.DuPtagLayout[1]; ^ Mercury/javas/jmercury/mpj5.java:20: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuFunctorDesc[] mpj5__du_name_ordered_cf_1 = new jmercury.runtime.DuFunctorDesc[1]; ^ Mercury/javas/jmercury/mpj5.java:22: error: package jmercury.runtime does not exist public static final jmercury.runtime.TypeCtorInfo_Struct mpj5__type_ctor_info_cf_1 = new jmercury.runtime.TypeCtorInfo_Struct(); ^ Mercury/javas/jmercury/mpj5.java:23: error: package jmercury.runtime does not exist private static final jmercury.runtime.PseudoTypeInfo[] mpj5__field_types_w_1_0 = new jmercury.runtime.PseudoTypeInfo[1]; ^ Mercury/javas/jmercury/mpj5.java:24: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuFunctorDesc mpj5__du_functor_desc_w_1_0 = new jmercury.runtime.DuFunctorDesc(); ^ Mercury/javas/jmercury/mpj5.java:25: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuFunctorDesc[] mpj5__du_stag_ordered_w_1_0 = new jmercury.runtime.DuFunctorDesc[1]; ^ Mercury/javas/jmercury/mpj5.java:26: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuPtagLayout[] mpj5__du_ptag_ordered_w_1 = new jmercury.runtime.DuPtagLayout[1]; ^ Mercury/javas/jmercury/mpj5.java:27: error: package jmercury.runtime does not exist private static final jmercury.runtime.DuFunctorDesc[] mpj5__du_name_ordered_w_1 = new jmercury.runtime.DuFunctorDesc[1]; ^ Mercury/javas/jmercury/mpj5.java:29: error: package jmercury.runtime does not exist public static final jmercury.runtime.TypeCtorInfo_Struct mpj5__type_ctor_info_w_1 = new jmercury.runtime.TypeCtorInfo_Struct(); ^ Mercury/javas/jmercury/mpj5.java:32: error: package jmercury.runtime does not exist private static final jmercury.runtime.TypeClassMethod[] mpj5__type_class_id_method_ids_coll_2 = new jmercury.runtime.TypeClassMethod[3]; ^ Mercury/javas/jmercury/mpj5.java:33: error: package jmercury.runtime does not exist private static final jmercury.runtime.TypeClassId mpj5__type_class_id_coll_2 = new jmercury.runtime.TypeClassId(); ^ Mercury/javas/jmercury/mpj5.java:34: error: package jmercury.runtime does not exist public static final jmercury.runtime.TypeClassDeclStruct mpj5__type_class_decl_coll_2 = new jmercury.runtime.TypeClassDeclStruct(); ^ Mercury/javas/jmercury/mpj5.java:39: error: cannot find symbol builtin.builtin__type_ctor_info_func_0, ^ symbol: variable builtin location: class mpj5 Mercury/javas/jmercury/mpj5.java:41: error: package jmercury.runtime does not exist jmercury.runtime.PseudoTypeInfo.K1, ^ Mercury/javas/jmercury/mpj5.java:42: error: package jmercury.runtime does not exist (jmercury.runtime.PseudoTypeInfo) bool.bool__type_ctor_info_bool_0 ^ Mercury/javas/jmercury/mpj5.java:42: error: cannot find symbol (jmercury.runtime.PseudoTypeInfo) bool.bool__type_ctor_info_bool_0 ^ symbol: variable bool location: class mpj5 Mercury/javas/jmercury/mpj5.java:46: error: package jmercury.runtime does not exist (jmercury.runtime.PseudoTypeInfo) mpj5.__vpti_func_2__pseudo_1__plain_bool__type_ctor_info_bool_0; ^ Mercury/javas/jmercury/mpj5.java:51: error: cannot find symbol private_builtin.MR_SECTAG_NONE, ^ symbol: variable private_builtin location: class mpj5 Mercury/javas/jmercury/mpj5.java:59: error: cannot find symbol private_builtin.MR_FUNCTOR_SUBTYPE_NONE, ^ symbol: variable private_builtin location: class mpj5 Mercury/javas/jmercury/mpj5.java:65: error: package jmercury.runtime does not exist new jmercury.runtime.DuPtagLayout( ^ Mercury/javas/jmercury/mpj5.java:67: error: cannot find symbol private_builtin.MR_SECTAG_NONE, ^ symbol: variable private_builtin location: class mpj5 Mercury/javas/jmercury/mpj5.java:81: error: package jmercury.runtime does not exist jmercury.runtime.TypeCtorRep.MR_TYPECTOR_REP_DU, ^ Mercury/javas/jmercury/mpj5.java:86: error: package jmercury.runtime does not exist new jmercury.runtime.TypeFunctors( ^ Mercury/javas/jmercury/mpj5.java:89: error: package jmercury.runtime does not exist new jmercury.runtime.TypeLayout( ^ Mercury/javas/jmercury/mpj5.java:98: error: package jmercury.runtime does not exist jmercury.runtime.PseudoTypeInfo.K1; ^ Mercury/javas/jmercury/mpj5.java:103: error: cannot find symbol private_builtin.MR_SECTAG_NONE, ^ symbol: variable private_builtin location: class mpj5 Mercury/javas/jmercury/mpj5.java:111: error: cannot find symbol private_builtin.MR_FUNCTOR_SUBTYPE_NONE, ^ symbol: variable private_builtin location: class mpj5 Mercury/javas/jmercury/mpj5.java:117: error: package jmercury.runtime does not exist new jmercury.runtime.DuPtagLayout( ^ Mercury/javas/jmercury/mpj5.java:119: error: cannot find symbol private_builtin.MR_SECTAG_NONE, ^ symbol: variable private_builtin location: class mpj5 Mercury/javas/jmercury/mpj5.java:133: error: package jmercury.runtime does not exist jmercury.runtime.TypeCtorRep.MR_TYPECTOR_REP_DU, ^ Mercury/javas/jmercury/mpj5.java:138: error: package jmercury.runtime does not exist new jmercury.runtime.TypeFunctors( ^ Mercury/javas/jmercury/mpj5.java:141: error: package jmercury.runtime does not exist new jmercury.runtime.TypeLayout( ^ Mercury/javas/jmercury/mpj5.java:170: error: package jmercury.runtime does not exist new jmercury.runtime.TypeClassMethod( ^ Mercury/javas/jmercury/mpj5.java:173: error: cannot find symbol private_builtin.MR_FUNCTION ^ symbol: variable private_builtin location: class mpj5 Mercury/javas/jmercury/mpj5.java:176: error: package jmercury.runtime does not exist new jmercury.runtime.TypeClassMethod( ^ Mercury/javas/jmercury/mpj5.java:179: error: cannot find symbol private_builtin.MR_FUNCTION ^ symbol: variable private_builtin location: class mpj5 Mercury/javas/jmercury/mpj5.java:182: error: package jmercury.runtime does not exist new jmercury.runtime.TypeClassMethod( ^ Mercury/javas/jmercury/mpj5.java:185: error: cannot find symbol private_builtin.MR_PREDICATE ^ symbol: variable private_builtin location: class mpj5 Mercury/javas/jmercury/mpj5.java:221: error: cannot find symbol Var_6 = mr_int.f_60_60_2_f_0(Var_7, N_3); ^ symbol: variable mr_int location: class mpj5 Mercury/javas/jmercury/mpj5.java:250: error: package jmercury.runtime does not exist jmercury.runtime.MethodPtr func_0 = ((jmercury.runtime.MethodPtr) ((java.lang.Object[]) ((java.lang.Object[]) TypeClassInfo_for_coll_3)[0])[7]); ^ Mercury/javas/jmercury/mpj5.java:250: error: package jmercury.runtime does not exist jmercury.runtime.MethodPtr func_0 = ((jmercury.runtime.MethodPtr) ((java.lang.Object[]) ((java.lang.Object[]) TypeClassInfo_for_coll_3)[0])[7]); ^ Mercury/javas/jmercury/mpj5.java:253: error: package jmercury.runtime does not exist succeeded = ((java.lang.Boolean) ((jmercury.runtime.MethodPtr3) func_0).call___0_0(((java.lang.Object) (((/* generic_type */ java.lang.Object) TypeClassInfo_for_coll_3))), ((java.lang.Object) (HeadVar__1_1)), ((java.lang.Object) (HeadVar__2_2)))).booleanValue(); ^ Mercury/javas/jmercury/mpj5.java:291: error: cannot find symbol Var_6 = mr_int.f_60_60_2_f_0(Var_7, N_4); ^ symbol: variable mr_int location: class mpj5 Mercury/javas/jmercury/mpj5.java:319: error: package jmercury.runtime does not exist jmercury.runtime.MethodPtr func_0 = ((jmercury.runtime.MethodPtr) ((java.lang.Object[]) ((java.lang.Object[]) TypeClassInfo_for_coll_2)[0])[5]); ^ Mercury/javas/jmercury/mpj5.java:319: error: package jmercury.runtime does not exist jmercury.runtime.MethodPtr func_0 = ((jmercury.runtime.MethodPtr) ((java.lang.Object[]) ((java.lang.Object[]) TypeClassInfo_for_coll_2)[0])[5]); ^ Mercury/javas/jmercury/mpj5.java:322: error: package jmercury.runtime does not exist HeadVar__1_1 = ((java.lang.Object) ((jmercury.runtime.MethodPtr1) func_0).call___0_0(((java.lang.Object) (((/* generic_type */ java.lang.Object) TypeClassInfo_for_coll_2))))); ^ Mercury/javas/jmercury/mpj5.java:334: error: package jmercury.runtime does not exist jmercury.runtime.MethodPtr func_0 = ((jmercury.runtime.MethodPtr) ((java.lang.Object[]) ((java.lang.Object[]) TypeClassInfo_for_coll_4)[0])[6]); ^ Mercury/javas/jmercury/mpj5.java:334: error: package jmercury.runtime does not exist jmercury.runtime.MethodPtr func_0 = ((jmercury.runtime.MethodPtr) ((java.lang.Object[]) ((java.lang.Object[]) TypeClassInfo_for_coll_4)[0])[6]); ^ Mercury/javas/jmercury/mpj5.java:337: error: package jmercury.runtime does not exist HeadVar__3_3 = ((java.lang.Object) ((jmercury.runtime.MethodPtr3) func_0).call___0_0(((java.lang.Object) (((/* generic_type */ java.lang.Object) TypeClassInfo_for_coll_4))), ((java.lang.Object) (HeadVar__1_1)), ((java.lang.Object) (HeadVar__2_2)))); ^ Mercury/javas/jmercury/mpj5.java:349: error: package builtin does not exist builtin.Comparison_result_0 HeadVar__1_1 = null; ^ Mercury/javas/jmercury/mpj5.java:355: error: package builtin does not exist HeadVar__1_1 = builtin.Comparison_result_0.K0; ^ Mercury/javas/jmercury/mpj5.java:362: error: cannot find symbol HeadVar__1_1 = private_builtin.builtin_compare_pred_3_p_0((/* closure */ java.lang.Object[]) ArgX1_4, (/* closure */ java.lang.Object[]) ArgY1_5); ^ symbol: variable private_builtin location: class mpj5 Mercury/javas/jmercury/mpj5.java:375: error: package builtin does not exist builtin.Comparison_result_0 conv0_HeadVar__1_1 = null; ^ Mercury/javas/jmercury/mpj5.java:378: error: package jmercury.runtime does not exist conv0_HeadVar__1_1 = mpj5.__Compare____cf_1_0(((jmercury.runtime.TypeInfo_Struct) wrapper_arg_1), ((mpj5.Cf_1) wrapper_arg_3), ((mpj5.Cf_1) wrapper_arg_4)); ^ Mercury/javas/jmercury/mpj5.java:391: error: package builtin does not exist builtin.Comparison_result_0 HeadVar__1_1 = null; ^ Mercury/javas/jmercury/mpj5.java:397: error: package builtin does not exist HeadVar__1_1 = builtin.Comparison_result_0.K0; ^ Mercury/javas/jmercury/mpj5.java:404: error: cannot find symbol HeadVar__1_1 = builtin.compare_3_p_0(TypeInfo_for_T_8, ArgX1_4, ArgY1_5); ^ symbol: variable builtin location: class mpj5 Mercury/javas/jmercury/mpj5.java:417: error: package builtin does not exist builtin.Comparison_result_0 conv0_HeadVar__1_1 = null; ^ Mercury/javas/jmercury/mpj5.java:420: error: package jmercury.runtime does not exist conv0_HeadVar__1_1 = mpj5.__Compare____w_1_0(((jmercury.runtime.TypeInfo_Struct) wrapper_arg_1), ((mpj5.W_1) wrapper_arg_3), ((mpj5.W_1) wrapper_arg_4)); ^ Mercury/javas/jmercury/mpj5.java:445: error: cannot find symbol succeeded = private_builtin.builtin_unify_pred_2_p_0((/* closure */ java.lang.Object[]) ArgX1_3, (/* closure */ java.lang.Object[]) ArgY1_4); ^ symbol: variable private_builtin location: class mpj5 Mercury/javas/jmercury/mpj5.java:460: error: package jmercury.runtime does not exist succeeded = mpj5.__Unify____cf_1_0(((jmercury.runtime.TypeInfo_Struct) wrapper_arg_1), ((mpj5.Cf_1) wrapper_arg_2), ((mpj5.Cf_1) wrapper_arg_3)); ^ Mercury/javas/jmercury/mpj5.java:484: error: cannot find symbol succeeded = builtin.unify_2_p_0(TypeInfo_for_T_7, ArgX1_3, ArgY1_4); ^ symbol: variable builtin location: class mpj5 Mercury/javas/jmercury/mpj5.java:499: error: package jmercury.runtime does not exist succeeded = mpj5.__Unify____w_1_0(((jmercury.runtime.TypeInfo_Struct) wrapper_arg_1), ((mpj5.W_1) wrapper_arg_2), ((mpj5.W_1) wrapper_arg_3)); ^ Mercury/javas/jmercury/mpj5.java:590: error: package jmercury.runtime does not exist throw new jmercury.runtime.UnreachableDefault(); ^ 94 errors ** Error making `Mercury/classes/jmercury/mpj5.class'. make[3]: *** [/tmp/mmake.GZ1E2H:1500: mpj5.class] Error 1 make[3]: Target 'mpj5.runtest' not remade because of errors. make[3]: Leaving directory '/mnt/testing/run/build/mercury-srcdist-rotd-2024-07-24/tests/valid' ERROR OUTPUT mpj5.m:009: In module `mpj5': mpj5.m:009: warning: module `list' is imported in the interface, but it is mpj5.m:009: not used in the interface. END OF THE ERROR OUTPUT