RMAN-06100 no channel to restore a backup or copy of datafile number Cause A data file, tablespace, or database restore could not proceed because the backup of the indicated file exists on a device type that was not allocated for restore. Action None - this is an informational message. ...
Oracle Database - Enterprise Edition - Version 19.3.0.0.0 and later: RMAN-06026, RMAN-06100, RMAN-05122 Executing TSPITR or Recover Table