Unable to compile the VALIDATEAAD procedure

Hi Team,

Can not compile the VALIDATEAAD procedure.

SQL> alter procedure VALIDATEAAD compile;

Warning: Procedure altered with compilation errors.

SQL> show errors;
Errors for PROCEDURE VALIDATEAAD:

LINE/COL ERROR
-------- -----------------------------------------------------------------
18/3     PL/SQL: Statement ignored
18/6     PLS-00201: identifier 'G_LOG_ENABLED' must be declared
22/3     PL/SQL: Statement ignored
22/7     PLS-00201: identifier 'C_LEVEL_PROCEDURE' must be declared
41/5     PL/SQL: Statement ignored
41/9     PLS-00201: identifier 'C_LEVEL_STATEMENT' must be declared
56/7     PL/SQL: Statement ignored
60/12    PLS-00201: identifier 'AAD_DBASE_INVALID' must be declared
93/3     PL/SQL: Statement ignored
93/7     PLS-00201: identifier 'C_LEVEL_PROCEDURE' must be declared

Can you please advise.

Thanks,

Alex