If you quit OBS after ending a session and then reopen it, you need to upload the Last Log.
If you stop streaming and upload before quitting, you need to upload the Current Log.
In this log, OBS starts and shuts down. No other actions:
17:43:22.610: ==== Startup complete ===============================================
17:43:22.611: Service '' not found
17:43:22.618: All scene data cleared
17:43:22.618: ------------------------------------------------
17:43:22.882: WASAPI: Device 'Słuchawki (Arctis 5 Game)' initialized
17:43:22.900: WASAPI: Device 'Mikrofon (Arctis 5 Chat)' initialized
17:43:22.947: adding 46 milliseconds of audio buffering, total audio buffering is now 46 milliseconds (source: Mikrofon/Wejście liniowe)
17:43:22.947:
17:43:23.033: ---------------------------------
17:43:23.033: [DShow Device: 'kamerka'] settings updated:
17:43:23.033: video device: c922 Pro Stream Webcam
17:43:23.033: video path: \\?\usb#vid_046d&pid_085c&mi_00#6&2fd07c69&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global
17:43:23.033: resolution: 640x480
17:43:23.033: fps: 30.00 (interval: 333333)
17:43:23.033: format: YUY2
17:43:23.578: Switched to scene 'CSGO'
17:43:23.578: ------------------------------------------------
17:43:23.578: Loaded scenes:
17:43:23.578: - scene 'CSGO':
17:43:23.579: - source: 'csgo' (game_capture)
17:43:23.579: - source: 'kamerka' (dshow_input)
17:43:23.579: ------------------------------------------------
17:43:42.298: ==== Shutting down ==================================================