LTspice stepping source 100% DC sweep takes too long and never ends

2746.Pre-lab 4.asc

When I run the simulation profile, stepping source takes too long and never ends. I tried to play around with the Gmin, Abstol, Reltol, and Chgtol parameters in the settings but it didn't work.

I would appreciate any suggestions to solve this issue, as my submission is near around and my instructor didn't provide me with anything helpful to do.



Added the circuit file.
[edited by: PRO918 at 4:25 PM (GMT -4) on 13 May 2021]