PLS-00201: identifier 'DBMS_CRYPTO' must be declared issue - Fix

PLS-00201: identifier 'DBMS_CRYPTO' must be declared issue - Fix

ISSUE:

SQL> show error
Errors for FUNCTION "SCOTT"."DECRYPT_CHAR":

LINE/COL ERROR
-------- -----------------------------------------------------------------
6/19     PL/SQL: Item ignored
6/34     PLS-00201: identifier 'DBMS_CRYPTO' must be declared
17/1     PL/SQL: Statement ignored
17/24    PLS-00201: identifier 'DBMS_CRYPTO' must be declared
SQL>

SOLUTION:

You need to give access on dbms_crypto to your schema. Here your schema is "scott".
SQL>  grant execute on sys.dbms_crypto to SCOTT;

Grant succeeded.