LuckPerms always gives error when server close
https://i.ibb.co/DY3SQMX/image.png

Did you try to delete the lib folder and let LP redownload it?

Still it giving same error

I am getting the same issue. It doesn't happen every time, but the majority of the time. I just end up having to terminate the server.

Thanks for reporting, this should be fixed in the above commit.