ORA-04063: Package Body "APPS.AD_ZD_ADOP" Has Errors when running adop

While running adop prepare,  the error is encountered on APPS.AD_ZD_ADOP . 

When checking further the package body is in invalid state.

Error:

When we try to compile manually, we observe below error.

SQL> alter package APPS.AD_ZD_ADOP compile body;
Warning: Package Body altered with compilation errors.

SQL> show err
Errors for PACKAGE BODY APPS.AD_ZD_ADOP:
LINE/COL ERROR
-------- -----------------------------------------------------------------
2686/3 PL/SQL: Statement ignored
2686/7 PLS-00201: identifier 'SYS.DBMS_METADATA_UTIL' must be declared

Solution:

1. Connect as sysdba and 

   grant execute on DBMS_METADATA_UTIL to apps;
2. alter package APPS.AD_ZD_ADOP compile body;

The package should be compiled normally now.