How To Fix No Man’s Sky Error Code 123971_0x99B51A_ST76561199249633118?

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Here we will share the details for the No Man’s Sky error code 123971_0x99B51A_ST76561199249633118.

As per the users’ complaints, if they try to play the game, it keeps crashing and shows this error.

During our research, we were unable to find any official information from the developers.

As per us, this looks like a general error that may be coming because of many different reasons such as outdated OS, outdated drivers, any temporary glitches with the device, etc.

No Man's Sky Error Code 123971_0x99B51A_ST76561199249633118

Fixes For No Man’s Sky Error Code 123971_0x99B51A_ST76561199249633118


  • Before checking and trying anything we advise you to shut down your device along with the internet, and let them in that state for around five minutes. While your devices are shut down make sure to disconnect them from the power source. At last, after five minutes, restart your devices and check if the error persists.
  • If the error persists after restarting your system, then check if you have any pending updates for your OS or drivers. If so then consider updating them to their latest version, and then try to play No Man’s Sky again.
  • Next, we suggest you to check if you have any pending game updates. If you see any pending game updates then consider installing them, and then check for the error again.
  • Next, try playing other games on your device to check if the error is coming specifically to this game only. If No Man’s Sky is the only game that is showing a problem then it can be possible that currently there is a bug in the game, so we suggest you to wait for a couple of hours and try playing again. If you still receive the error then you can contact the No Man’s Sky support.