20:53:17.626: Warning: OBS is already running!
You're running multiple copies of OBS which can break things.
20:53:19.773: OBS 21.1.2 (windows)
Your copy of OBS is out of date; install the latest from the website.
20:53:20.777: video settings reset:
20:53:20.777: base resolution: 1366x768
20:53:20.777: output resolution: 908x512
20:53:20.777: downscale filter: Bicubic
20:53:20.777: fps: 60/1
20:53:20.777: format: RGBA
20:53:20.777: YUV mode: None
Using a color format other than NV12 will use more system resources.
20:53:21.612: - scene 'Scene':
20:53:21.612: - source: 'Display Capture' (monitor_capture)
20:53:21.612: - source: 'Game Capture' (game_capture)
Don't put display and game capture sources in the same scene, this does not perform well.
20:53:25.857: Trying format kAudioFormatMPEG4AAC (0x61616320)
20:53:25.857: Encoder does not support bitrate 128000 for format kAudioFormatMPEG4AAC (0x61616320)
What have you set your audio bitrate to in Settings > Output > Audio? The above error suggests that you've set a rate that's incompatible with the container you're recording in. You should probably lower it. This is what is stopping you from recording.