Help! The game detects my mod menu lib

Hello

Someone knows why when i put my lib of the lgl mod menu inside the game i can't install the game? the game detect it? but when I deleted it back I can install the game easily

Putting the mod menu to the game


After that i try to install it, i can't



Then i deleted the mod menu lib again and i try to install it, and it works



What just happen, how i can fix it?
This modmenu was working fine in a old version of the game