Cause: Signaled by Oracle Trace CLI if an error occurred while attempting to delete a collection's .dat file, most likely caused by file not existing (that is, already deleted), or file protection; or file may still be held by one or more processes that took part in the Oracle Trace collection, that is database processes.
Action: Verify that the file exists; fix protection if necessary. If database processes have the file held open, wait for the processes to release the files (on the next database action for each process).
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