Critical Problem - Crash - Merchant Tabs - Everone clicking my faustus are crashing 100% times

Bug report reference number is 3 689 084 528

How to reproduce: (works 100%)

1. Click on Faustus in my hideout.
2. Click on Purchase Items.

Conditions:

- have many many many items listed in stash (600 tabs+)
- reproducable when anyone elese clicks (except me)
- either teleports to hideout because of friend/guildmate OR just clicking on instant buyout for an item listed in merchant tab

edit1: Friends commented after testing that crashes both on Standard League and Keepers league.

edit2: Bug refernece number might not be helpful cause im not crashing but other people that come and click Faustus Purchaase items do. I just posted it just in case it helps in anyway.