What exactly you flashed?
This safty er check is brocken. Try This please https://play.google.com/store/apps/details?id=org.freeandroidtools.safetynettest
How to report bugs/Issue?
To report issue, you needs to provide following informations, else it will be ignored. Also if your query is already mentioned on OP/ChangeLogg post, it will be ignored.
1.ROM build number.
2.Dirty/Clean Install. - If you have dirty installed, Then first clean install and report if issue persists.
3.Bug/Issue appears right after installing or later?
4.How to reproduce error.
5.Is there any same reports there on thread on your searching?
6.Is there any mention about same bug on OP or changeLog post?
7.Logs - Attach logs here/Upload to other places where it can be downloaded without registration and doesn't have ad (we recommend dropbox/Gdrive) and post link.