There was a recent workbench announcement that vendor credits will block non-food items. Vendor credits should be used for only food items, any other department will result in shortage.
If you MySupport with DPCI's, they can reissue an IR to the store. I've done this with recalled items. They should be able to issue an IR for the particular DPCI's. If they don't then
@MavDog can just toss them after auditing OH's.