11.5.10.2 : I'm not able to access maintenance mode when I was using adadmin to access Ad administr

hello,

I was trying to apply patch but before I was trying to using adadmin to enable maintenance but I'm not able to access Ad administration main menu please find below error:

Your base language will be AMERICAN.

Your other languages to install are: ARABIC

Setting up module information.
Reading database for information about the modules.
Saving module information.

AD code level : [11i.AD.I.7]

AD Administration error:
Error while executing statement

AD Administration error:
ORA-06550: line 3, column 1:
PLS-00201: identifier 'AD_JAR.GET_JRIPASSWORDS' must be declared
ORA-06550: line 3, column 1:
PL/SQL: Statement ignored


AD Administration error:

Unable to get passwords from Vault