Error in fatigue study

Hello everybody,

I came across an error in a fatigue study and can't find anything about it on the internet. Does any of you have experience with this error? I use a custom material, Ti AL6V4, and data on the S-N curve from a paper. Thank you in advance

Edu ​​​​​​​SOLIDWORKS ​​​​​​​Simulation ​​​​​​​