Simulator Error: Unhandled exception - object reference not set to instance of object
I am using the latest version of Process Modeller. I have created a number of different models and the simulator tool has worked before, including adding resources and time analysis.
This time when I have tried to add a timeframe for a process task, I get a popup saying "Object Reference not set to an instance of an object". I have run the simulation in the validate mode and it works so I don't know whats wrong.
It is now not even letting me set the number of iterations for each start trigger when it was a few minutes ago. The only thing I changed was I added a few resources within the model.
I have attached the details of the message I am getting. I would like to send the model I've created but it wont let me attach it.