make market work for 8.6?
Only with OTCv8 market module and modified code on server side. Market added on RL Tibia in 9.44 did one big change in RL Tibia Client. Since this version
Tibia.dat
file contains item names, categories (armor, helmet etc.) and information, if they are tradeable on market at all. Without that infomation - with 8.6 Tibia.dat file - OTC has to receive list of items and their names, whenever client opens market.
Code modification proposed by OTCv8 (for old protocols) expects server to send that list of items information from server, when client 'open market' (it sends packet to server to get basic market information)...