IBM REXX Interview Question:

i am getting error while editing macro, its not even entering into the macro, getting error like
31 *-* "EDIT DATASET("DSN"("MEM")) MACRO("CHGLINE")"
+++ RC(-3) +++? any idea
Why?

Submitted by: Administrator

You must turn on ISPEXEC Address.

Address ISPEXEC "EDIT dataset(xx) macro(mmm)"
Submitted by: Administrator