ORA-07445 [kkqjpdpvpd()+656]
If you are getting this error every minutes or so This error is because you have optimizer_features_enable set to 4 position instead of 3. When setting this parameter on Oracle Database 18c or later, you must specify three numeric values separated by periods, such as 18.1.0 or 19.1.0. https://docs.oracle.com/en/database/oracle/oracle-database/19/refrn/OPTIMIZER_FEATURES_ENABLE.html#GUID-E193EC9E-B642-4C01-99EC-24E04AEA1A2C Solution:alter system set optimizer_features_enable=’19.1.0′;