One Node of ORACLE RAC Databse 12.1.0.2.0 fails to start
The error displayed when using sqlplus to start the node is:-
SQL*Plus: Release 12.1.0.2.0 Production on Thu Jun 18 11:09:01 2020
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Connected to an idle instance.
SQL> startup
ORA-00449: background process 'RBAL' unexpectedly terminated with error 448
SQL>
Kindly assist in resolving the issue