ORA - 06553: PLS-801: internal error [56327]

ORA - 06553: PLS-801: internal error [56327]

ORA - 06544: PL/SQL: internal error , arguments: [56327], [ ], [ ], [ ], [ ], [ ], [ ]
ORA - 06553: PLS-801: internal error  [56327]

Solution: 

 Recompile the existing PL/SQL in the format required for new database.

SQL> shut immediate

SQL> startup upgrade;

SQL> @?/rdbms/admin/utlirp

SQL> shut immediate

SQL> startup

SQL> @?/rdbms/admin/utlrp