[jm390call.example.zip](/uploads/d6d5046808093c5b575f58846891a477/jm390call.example.zip) I have prepared an example that when ran exhibits this, $ bin/JM390CALL JM390CALL: ../../../gcc/libgcobol/charmaps.cc:1572: char\* \__gg__iconverter(cbl_encoding_t, cbl_encoding_t, const void\*, size_t, size_t\*, size_t\*): Assertion \`from \> custom_encoding_e' failed. Aborted (core dumped) I believe this path should result in EC-PROGRAM-NOT-FOUND or some other better error message vs. the assert/abort happening here. Or if I am doing something wrong, please let me know!