Simulation start time

I'm doing a non linear simulation of a shape memory alloy material.

My loading is tiume dependent, so my simulation times are inportant.

When I click on my study's properties, my start time is "greyed" at 1.7 seconds, and I can't change it back to 0 second.

Also, when I do start my simulation, I get an error that the number of iterations is exceeded and it restarts the simulation.

Anyone have any idea how to solve these problems ?

Thank you !

Alexis

SolidworksSimulation