ORA-21500: internal error code, arguments: (string(, (string(, (string(, (string(, (string(, (string(, (string(, (string(

ORA-21500: internal error code, arguments: (string(, (string(, (string(, (string(, (string(, (string(, (string(, (string(

Cause: This is the generic error number for the OCI environment (client-side) internal errors. This indicates that the OCI environment has encountered an exceptional condition.

Action: Report as a bug - the first argument is the internal error number.