Message Oracle NNC-00428 - invalid meta-data data item

ERRORinvalid meta-data data item
CAUSEA caller provided the name server program interface with an invalid meta-data data item.
ACTIONNot normally visible to the user, except when using the name server control program. If the error occurs when using the control program, retry the failing operation with a valid meta-data argument. Otherwise, turn on tracing and re-execute the failing operation. If the error persists, contact Worldwide Customer Support.