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 The following Error was encountered when we tried starting up the database manually:   SQL> startup ORACLE instance started.   Total System Global Area 4.8694E+11 bytes Fixed Size                 37521640 bytes Variable Size            5.5298E+10 bytes Database Buffers         4.3111E+11 bytes Redo Buffers              499347456 bytes Database mounted. Database opened.         " was non-numeric Usage: { EXIT | QUIT }e [ SUCCESS | FAILURE | WARNING | n |        <variable> | :<bindvariable> ]  [ COMMIT | ROLLBACK ] Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Version 19.18.0.0.0     [oradbp@dbnode13 ~]$ srvctl start instance -i testdb11 -d testdb PRCR-1013 : Failed to start resource ora.testdb.db PRCR-1064 : Failed to start resource ora.testdb.db on node dbnode13 CRS-2680: Clean of 'ora.testdb.db' on 'dbnode13' failed CRS-5802: Unable to start the agent prdbnodess