Errors like these can occur due to a difference in ORACLE versions between the source and target databases and/or utilities from the system(s) where autobcp is run.
Run the following steps and note the full versions login as the autosys operating system user run "exp" note the version and break out run "imp" note the version and break out run "sqlplus @<db1>" note the version continue with the login as as autosys run "select * from V$VERSION;"
All of the version results should be the same. Perform the same steps on the secondary AE machine / database (db2).