Gameshark 1.12.2 - 5.2.0b Is not Working on my Server (when Sponge is installed)


First : I made a ticket on Pixelmon if you need something i have screenshots and a server Log there.
Well the Problem is that the Pixelmon sidemod Gameshark is not working if Sponge is installed, yes i tried to reinstall and the ‘right’ Forge Version but Gameshark only workes without Sponge and now i need help if anyone can help me here.
If you want a new server log (becouse im reinstalling the server right now) than just ask me i can send screenshots also.
This Gameshark ‘bug’ is for every player and in single player it works totally fine.