Cause
A character that is not in the range [0-9] or [A-F a-f] was detected.
A character that is not in the range [0-9] or [A-F a-f] was detected.
Verify that all characters in a string are in [0-9] or [A-F a-f].
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
Browse all solutions to database errors from Oracle, MS SQL, or MySQL