Please read and follow directions and recommendations on the analyzer:
OBS (Open Broadcaster Software) is free and open source software for video recording and live streaming. Stream to Twitch, YouTube and many other providers or record your own videos with high quality H264 / AAC encoding.
obsproject.com
Unless you need to record several audio channels for a latter edition, keep it in simple output mode. Run the Auto-configuration Wizard and apply the settings it gives. Do not change this settings. Restart OBS. Yes, restart OBS before you do anything else.
Now, please, test it as is, doing all you normally do for no less than 30 seconds. Please take more than exactly 30 seconds.
Look inside Help menu. Upload the current log file and paste the url to the log in here. Click on the Analize button to start troubleshooting common issues.