Oracle Error Codes

DDL statement is executed in an illegal context

DDL statement is executed dynamically in illegal PL/SQL context. – Dynamic OPEN cursor for a DDL in PL/SQL – Bind variables used in USING clause to EXECUTE IMMEDIATE a DDL – Define variables used in INTO clause to EXECUTE IMMEDIATE a DDL

How to Solve :

Use EXECUTE IMMEDIATE without USING and INTO clauses to execute the DDL statement.