Unskip elements in precede

I have been involved in fatigue run for multiple jacket connected each other at deck levels (i.e. one complex model).

The SACS files used for this project consists of skipped elements for one of the jacket structure within the complex. I have unskipped by selecting all elements in Precede for that jacket structure. Later, when I made fatigue run for joints, I could not get any fatigue results (all showing infinite).

However, when I run the analysis without unskip of elements, fatigue analysis is working fine.

Is it any issue in SACS? I am using latest version of 13.2.

Could anyone clarify? Thanks.

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