Unable to determine qBittorrent API version

Sonarr version (exact version): 3.0.3.906
Mono version (if Sonarr is not running on Windows):
OS: windows 10
Debug logs:

https://drive.google.com/file/d/1p1w3Kt1SUGC2EZhZBA1rZq8niVkVo5x_/view?usp=sharing

For the last few days/weeks i’ve been having a recurring issue where sonarr (and radarr) lose contact with qbittorrent. I go to test it and get this error: Unknown exception: Unable to determine qBittorrent API version

sometimes a reboot will help, but then it eventually loses connection. then it will randomly be fine. there does not see to be any rhyme or reason to this. i try older versions of qbit, changing password/username, other web ui options…nothing works…i added a port forwarding rule to my router as well which i never had before.

any help is appreciated as this is driving me nuts lately.

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