My friends code ain't working

I tried to help him but i ain’t very experienced in this area if you guys could help him it would be amazing thanks (I won’t be answering questions cos iam busy but my friend will check this forum on his acc)
Code in question :
Thanks again

“PlrUserId is underlined bcz it’s undefined. Change that to plr.UserId (I added a “.” In the middle)


Thanks fillerrrrrrrrrrrrrrr