After the program is recompiled, all the service entry points set on that program are now invalid. Then, when you run the program, a debug session will not start. To avoid this, refresh at least one of the service entry points set on this program. This verifies if all the original service entry points set on this program are still valid. Any invalid service entry points are removed, and those that are still valid are refreshed.
You can refresh one or more service entry points from the IBM® i Service Entry Points view: