Hi, I was ROM hacking my Pokemon Emerald game.
My friends were doing a runthrough of the hack and encountered that if you buy something in the Rustboro shop, you would automatically get into a battle.
I took this report and decided to test it myself, and I got the same problem as them.
Anybody have any ideas on what should I do to fix this problem? :/

I have recorded this incident:


My friend also recorded his incident and it was a lot worse than mine: