Business Central - "We paused while you were away" happens too quickly

Nothing to do with timeout.

An Image is missing, images do not transfer via DD, you must import them locally to each POS database from the Retail Image List screen.

A menu button is invalid and setup pointing to an invalid function or image

 Set-NAVWebServerInstanceConfiguration -WebServerInstance BC150 -KeyName SessionTimeout -KeyValue "01:00:00"

Restart-NAVServerInstance [Instance Name]

Restart instance