A non-existing app keeps crashing

I've removed an app long ago, but when I unlock the phone a message appears which says: "the app" has stopped I had changed its location from internal to external before I remove it. Also I have another app which keep stopping, I changed it to external too. I cannot rechange the apps which I changed their location after I've updated android system These two apps are not English J7 prime 2017 Android 8.1.0