ORA-06553: PLS-213: package STANDARD not accessible.

While upgrade following error was encountered.
create or replace
*
ERROR at line 1:
ORA-06553: PLS-213: package STANDARD not accessible.
ORA-00955: name is already used by an existing object

Please make sure to set the following init parameters as below in the spfile/init file or comment them out to their default values, at the time of upgrading the database.

PLSQL_V2_COMPATIBILITY = FALSE
PLSQL_CODE_TYPE = INTERPRETED # Only applicable to 10gR1
PLSQL_NATIVE_LIBRARY_DIR = ""
PLSQL_NATIVE_LIBRARY_SUBDIR_COUNT = 0

Refer to Note 170282.1 PLSQL_V2_COMPATIBLITY=TRUE causes STANDARD and DBMS_STANDARD to Error at Compile

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Always disconnect from the session which issues the STARTUP and connect as a fresh session before doing any further SQL. eg: On upgrade to 10.2 startup the instance with the upgrade option, exit sqlplus , reconnect a fresh SQLPLUS session as SYSDBA and then run the upgrade scripts.


If this is not a RAC instance, but DBA_REGISTRY shows the RAC component and it is invalid the following bite can be used to remove the reference from DBA_REGISTRY.

Note 312071.1 - RAC Option Invalid After Migration