Sepasoft, product simulator suddenly stop counting

I have a project to make simulation OEE. im using Sepasoft as third party module, and sometime when im running the simulation, the product simulator module (from sepasoft) has suddenly stop counting and resume again. this has affected my simulation data (mainly in performance data). is there any one who use sepasoft know this problem?
below this are my ss for csv file for product simulation module

Sepasoft has there own support channels, you should reach out to them there.