[Call of Duty: Black Ops 1] I need help with Black Ops 1. Error: Steam must be running to play this game

[Call of Duty: Black Ops 1] I need help with Black Ops 1. Error: Steam must be running to play this game

I got this from Dodi-repacks, installed and followed the instructions the website gave.

copied the files from the BGamerT5 folder to the game's main folder. Set the T5Launcher as executable and launched, then selected start Hostmode. Clicked singleplayer and that's how I got that error.

  1. Name of game: Call of Duty: Black Ops 1
  2. CPU: Intel i7-1355U
  3. GPU: Iris Xe
  4. RAM: DDR4 16GB @ 3200MHz
  5. System Info: Arch Linux, Hyprland
  6. Kernel: 7.0.12-arch1-1
  7. Proton Version: Proton 8.0
  8. Game Launcher: Lutris
  9. Release Info: Dodi-Repacks
  10. Logs:

​

2026-06-25 15:47:32 - BGT5LMS: ERROR: System.NullReferenceException: Object reference not set to an instance of an object at bgt5lms.Log.WriteAway () [0x00001] in <21784126cdf24572aee98eb39e9e860e>:0 at bgt5lms.BGT5LMS.<Start>b__2 () [0x00005] in <21784126cdf24572aee98eb39e9e860e>:0
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