alt/error_type_unk_alt5.nit:15,9--12: Type error: class Fail not found in module error_type_unk_alt5.
alt/error_type_unk_alt5.nit:16,11--14: Type error: class Fail not found in module error_type_unk_alt5.
alt/error_type_unk_alt5.nit:33,15--18: Type error: class Fail not found in module error_type_unk_alt5.
alt/error_type_unk_alt5.nit:34,17--20: Type error: class Fail not found in module error_type_unk_alt5.