VaranisArano wrote: »I've never heard of this happening to the Psijic order skill line, but I have heard of it happening to Assault/Support (though I think ZOS was supposed to have it fixed.) Wonder if it's a related bug?
If it is, this thread had a resolution that may be helpful:
https://forums.elderscrollsonline.com/en/discussion/491665/warning-you-may-lose-rank-levels
https://help.elderscrollsonline.com/app/answers/detail/a_id/48930/~/what-can-i-do-if-my-alliance-skill-lines-reset?