Lag issues

Summary of bug here. for the first two weeks i played this game, it played flawlessly. Now all of a sudden every time I open the game its very very laggy. This is the only game on my PC this happens to. I ve ry much enjoy the game. I just wanna be able to play again.

Steps to Reproduce

Please list how this bug can be reproduced, if possible. Pictures would be much appreciated!

What I expected to happen

The normal behavior.

What happened

The issue the bug caused.

Notes / Media

Other misc notes about the bug. Picture or videos would be much appreciated!