Oracle Error Message
ORA-26696: no string data dictionary for object with number string and version number string from source database string
Reason for the Error
An attempt to access the database object failed because the data dictionary for the object was either never populated or it was purged.
Solution
Make sure the GoldenGate, XStream or Streams data dictionary is created by calling DBMS_CAPTURE_ADM.PREPARE_%_INSTANTIATION.