Parameter string cannot be NULL.

Solution ID:ORA-13798

Type: Oracle

Cause

A call to GET_THRESHOLD procedure was made without a required parameter.

Actions

Specify a valid value for this parameter.

Try the following links for this error:


http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm


https://community.oracle.com/message/3813563


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