Oracle Solution for Error ora-31132

ORA-31132: Cannot validate handler "string

"."string

"

What triggered the Error:

Attempted to invoke an invalid event handler. This can be a result of one of the following reasons: 1) The handler did not exist. 2) The handler could not be compiled successfully.

What should we do to fix it:

Verify that the named handler does exist, then recompile and fix all compilation errors that may subsequently arise.