GoPro Hero 9 denies access to media data after successfully connecting to PC

[JoosHart]

First thank you very much for everyone that has contributed to this amazing project! It's truly amazing.

Problem:

After trying to write a simple program that is supposed to only turn the camera on and off, start and stop a video recording and then load the video onto a PC via WIFI, we encountered a problem with the data access from the GoPro Hero 9. We managed to propperly start the connection with bleak and then connect the WIFI.
Following this we tried to get access to the saved media on the SD card which was returned with a denial of access.
We were able to ping the camera and get a response every time after connecting to it.

Error message in German: [WinError 10061] Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte.
Rough translation: [WinError 10061] Could not build up a connection because the target computer denied the connection.

Does anyone have an idea of what we might have done wrong?
Could it be a problem with the GoPro not unlocking the AP/Port? Or maybe some kind of firewall problem?

Details:

• GoPro Camera(s): GoPro Hero 9 Black
• Firmware Version: 1.0 (or just the standard firmware that ships with it after purchase)
• Steps to reproduce: Connect via bleak, connect the WIFI, sucessfully ping the camera and get a response, try to get access to the media files, get rejected.
• Happens every time? [Y/N]: Y