After a few wasted hours I found that the Signal Offset markers from Jointed Rail do not work in TS19 The train comes to one of them and stops. The function was not in the TS19 database. Moved there from TS18/TANE and enabled it. However, the issue remains and the train is stopped by the Signal Offset. I cannot delete the yellow marker on the track. Note: the marker was orange in TS18/TANE.