Learn the purpose and how to resolve the ORA-00020 error message in Oracle.
Description
When you come across an ORA-00020 error, the following error message will appear:
ORA-00020: maximum number of approaches num handed
Cause
You tried to execute a declaration that requested a resource. Since the maximum variety of techniques have been reached, Oracle will now not technique any new requests.
Resolution
The option(s) to resolve this Oracle error are:
Option #1
You can wait a few minutes and try to re-execute the statement(s).
Option #2
You can shut down Oracle, expand the PROCESSES parameter in the initialization parameter file, and restart Oracle.