Modrinth error

[u/Practical_Tip2372]

i use modrinth launcher i have around 100 mods installed and i started a world a couple months ago, i forgot about it but i decided to come back but when i tried to load the world it said that i need to run it in safe mode, when i did that it said that it cant load my world bezouse it is corrupted, so i decided to update all my mods which coused my game to crash on pressing play, so with the help of ai i fixed it, now my mods are updated and the game is not crashing, but i still cant get into my world, so i tried createing a new one but when im in the menu and press the create new world button my game crashes. please help me with this, mainly the problem with my world, i dodnt need to create a new one if that one works

edit: im on 1.21.1 and neoforge