Trader/Flea Bug, infinite load

Well, everything is written above, just tell me what is breacking it.
I had some problems with the flea before (backend error screen in game)

But never like this one
I just trying to buy anything, and this happens, but i can sell stuff )

Quote from CWX

make a seperate profile and see if the issue still happens without mods

Yeah, made another profile(Just copied old one using save-editor) it works now, even with mods, thanks.

What actually caused this? Cause i digged through logs, but i cant understand, those J(JS, not sure) looking functions.

Quote from llife

looks like you had an item from a mod you deleted in your stash still..

Maybe, i had mods installed with other profile, but never played that one with them, then removed some.

Prefer to use mods with secially preparations because stability, but seems now i need backuping every profile.

Thanks everyone, i am kinda stupid, how does one mark thread as solved?