ORA-62038
GROUP BY clause is missing in statement containing KEY VECTOR function.
Cause
A statement containing a KEY VECTOR function does not have a GROUP BY clause. KEY VECTOR functions include SYS_OP_KEY_VECTOR_CREATE, SYS_OP_KEY_VECTOR_USE, SYS_OP_KEY_VECTOR_SUCCEEDED, SYS_OP_KEY_VECTOR_PAYLOAD.
Action
Add a GROUP BY clause to the statement containing the KEY VECTOR function, or remove the KEY VECTOR function from the statement.