Oracle Message PGA-21204 - error deleting PGA_2PC_PENDING rows for local LU string

ERRORerror deleting PGA_2PC_PENDING rows for local LU string
CAUSEThe RRM was unable to delete the pending transaction entries from its local LU6.2 log during cold start processing. An Oracle server message will follow this message, and contains information on the Oracle error.
ACTIONEnsure that the Oracle server and its TNS listener are both operational. Also ensure that the PGA_2PC_PENDING table exists and has not been altered or updated manually. If the table has been tampered with, it may need to be reinitialized and the RRM cold started again.