I managed to figure it out. While searching, I saw there were two things to do. The first was to use a code in the console to remove the interrupted connection error: cg_drawDisconnect 0.
After doing that, the error that keeps flashing on the screen disappears, but there's still the problem of not being able to run the game and it being extremely laggy, even with low ping. To fix this, you need to go into the game settings and lower the FPS to 120. From what I understand, the game starts to lag at FPS above 200. After doing these two things, the game simply returns to normal in all aspects.
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