or : ORA-21000: error number argument to raise_application_error of -65035 is out of range Cause: this error caused because of an unrecoverable transaction in the source DB. Solution: 1. either stop and start your pluggable source DB 2. identify the open transaction and kill it if you can. use this query to do so: select * from v$transaction t,v$session s where t.ses_addr = s.saddr;
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