Oracle Message OCI-21500 - internal error code, arguments: [string], [string], [string], [string], [string], [string], [string], [string]

ERROR	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.