"To forget any items" means to unintentionally leave things behind or not remember to bring something with you.
Sentences with «to forget any items»
Don't forget items stored in the garage, attic, crawl space or bathroom vanity. (effectivecoverage.com)
Write down every option you want on your car, it is easy to forget items like home link mirror, rear bumper protector, etc, this will cost you later. (edmunds.com)
I am the same about forgetting items packed away, but I have always been like that. (goodbyehousehellohome.com)