# ID 21658

Only entire variable arrays can be copied between two external variables.
Description | Only entire variable arrays can be copied between two external variables (see [EXTV]). Example: V.E.V_ARRAY = 1234 (Error 21658, left-hand side is an array variable) V.E.V_ARRAY = V.P.ARRAY (Error 21658, right-hand side is not an external variable)

V.E.V_ARRAY_1 = V.E.V_ARRAY_2 (Correct, all elements of V.E.VARRAY_2 are assigned to V.E.VARRAY_1)

Response | Class | 2 | Error message output and NC program abort
Solution | Class | 3 | Correct NC program
Error type | 1, Error message from NC program.