1. it is hard to answer not knowing full code
2. what happens when OK Invoices (non stop) is run in your dbb
3. there are many other ways to achive what you want
I would like to know what BackgroundHALShouldPause does, and how to use it. While it's listed in the HAL Primitives report, it is not used in source code and it doesn't appear in the LMS HAL...