Cause
The specified string contained one or more invalid characters.
The specified string contained one or more invalid characters.
Choose a string containing only alphanumeric characters and a few additional characters that are allowed for your platform.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/common_errormessages.htm
https://community.oracle.com/message/9515585
Browse all solutions to database errors from Oracle, MS SQL, or MySQL