Message Oracle PGA-21207 - error inserting PGA_2PC_LUS row for partner LU string

ERRORerror inserting PGA_2PC_LUS row for partner LU string
CAUSEThe RRM was unable to create a local LU6.2 log entry for the partner LU. 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_LUS 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.