Which exactly the version you have? I tested it with 2017-04-26 and everything is OK, I can enter text only rows. Do you really have the VAT code column empty on the text row?
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...
