Ora-600 , Ora-06544: Pl/Sql  in Alert.Log File
Last updated on JULY 22, 2015
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Information in this document applies to any platform.
This problem can occur on any platform.
o Errors in alert.log file:
ORA-00600: internal error code, arguments: , [severe error during PL/SQL trigger execution], , , , , , 
ORA-06544: PL/SQL: internal error, arguments: , , , , , , , 
ORA-06553: PLS-801: internal error 
This can occur after an upgrade.
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