ORA-43851: LOB feature unsupported below compatible 11.0.0

In SQL app, run :

SQL> alter system set compatible = '11.2.0' scope=spfile;

Restart database

Upgrade wasn't completed Severe error(s) occured in phase PREP_INIT/VALCHK_INI!

The message appears on upgrade:

Last error code set: PI_BASIS is in an undefined state, that is not safeto be upgraded, reason Upgrade wasn't completed - Call the SAP Support

Solution:

Truncate the table UVERS

Run the transaction $tab to reset buffer tables in SAP

Restart Upgrade