I just installed the new version Marc, which is 2021, the new feature of Fatigue enhancement is very interesting to me. So I tried the example in What's New, but I can not finish the simulation of job 2, which is the fatigue job.
In case you need the log & out file to check the reason, please find them in the attachment.
The files you provided indicate that you do not have the appropriate license to run the time-dependent fatigue. I suggest you contact your MSC account manager to enquire about adding this license.