If you continuously encounter the errorAn Error Occurredwhen attempting to join a lobby in Lethal Company, it could indicate an incompatibility issue with your mods. This often happens when a mod in use requires every player in the lobby to have installed the same version of that mod. However...
An outdated or incorrect display card driver could also be the culprit to your Lethal Company not launching problem, so if the above methods don’t help Lethal Company to launch, it’s likely that you have a corrupted or outdated graphics driver. So you should update your drivers to see if...