ORA-26602
Invalid source database while creating or altering XStream outbound server
Cause
While connected to a PDB parameters source_database, source_root_name and source_container_name must be either NULL or the current PDB.
Action
Remove source_database, source_root_name and source_container_name from DBMS_XSTREAM_ADM.CREATE_OUTBOUND, DBMS_XSTREAM_ADM.ALTER_OUTBOUND or DBMS_CAPTURE_ADM.CREATE_CAPTURE call or set source_database, source_root_name to the current PDB global name and source_container_name to the current PDB short name.