Modern Warfare 2 ‘Lobby Not Found’ Error Plagues PS5 and PS4

The Modern Warfare 2 “Lobby Not Found” error is rearing its ugly head yet again. Many players on PS5 and PS4 state that they can’t get into a match after today’s much-anticipated Season 2 Reloaded update. Fortunately, it looks like this lobby error notice, otherwise known as Error Code 2901, has an easy fix on PlayStation consoles at least.

How to fix “Lobby Not Found” error for MW2 and Warzone 2

Anyone else getting the lobby not found error code: 2901 in Call of Duty modern warfare 2? Tried multiple game modes still no luck.

— Heenna (@Heeennna) March 15, 2023

Several users on Twitter and on Reddit reporting this issue for PS5 and PS4 say that restarting the console and/or your internet router will fix the error. One user says that the modem, router, and console all need to be reset in order for Call of Duty Modern Warfare 2 and Warzone 2 to work properly again.

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This solution might also repair the “Travis Rilea” error that is alsop plaguing the game and appears when the online connection to the servers fail. With any luck, you won’t need to uninstall and reinstall MW2 or Warzone 2. Activision, Infinity Ward, and Raven Software are hopefully on the case and will fix these issues swiftly.

This is far from the first time that Modern Warfare 2 has experienced issues on console. At launch, the game crashed and lagged on PS5 and PS4, with some users experiencing multiple crashes within the span of an hour. In January, it was revealed that the player count for Warzone 2 was dropping “at a higher rate than usual.”