12.2.9 - 19c dbua fails on at "SYS.UTL_FILE"
EBS is on 12.2.9 with AD/TXK 13
Following Doc ID 2552181.1 to upgrade DB to 19c and facing below error which runinng dbua
Error in preupgrade tool execution.
ERROR - Unable to run the preupgrade due to:
ERROR - Unable to run preupgrade due to:
ORA-06512: at "SYS.UTL_FILE", line 106
ORA-06512: at "SYS.UTL_FILE", line 746
ORA-06512: at "SYS.DBMS_PREUP", line 3441
ORA-06512: at "SYS.DBMS_PREUP", line 11283
ORA-06512: at line 8 declare * ERROR at line 1: ORA-29284:
file read error ORA-06512: at line 56
++> I tried to unset ORA_NLS10 still the issue persist. This halted my db upgrade.
Any suggestion would be highly helpful