Cause
An external database name with too large a length field was passed in.
An external database name with too large a length field was passed in.
Report the problem to your external transaction coordinator vendor.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e0.htm
https://community.oracle.com/message/3577927
https://community.oracle.com/message/2672434
https://community.oracle.com/message/2672352
https://community.oracle.com/message/1338438
https://community.oracle.com/message/2584742
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