Star Wars Battlefront 2 Error codes, Crashes, Black Screen, Lag Can’t start up SW Battlefront 2 – Missing DLL: Errpor: 0x7e. Unfortunately, there are a lot of error codes, problems, crashes, lags in Star Wars Battlefront 2, and we’re going to list some of the more common and egregious ones, as well as any known workarounds for them. Many players are enjoying new maps, but some are stuck because of various technical issues and features not working as intended. Star Wars Battlefront 2 is officially launched.