karlo2105 I removed all the credentials and configured them with mine but that didn't help. I have enough free slots, that's not the issue.
I did the following workaround:
- I installed Kodi 20.5 + PVR EON 20.6.1. Configure it with my credentials and the TV starts working.
- Upgraded to Kodi 21
- Upgraded the addon to version 21.7.6
I also experimented with my old builds that I had made for Raspberry Pi 2 with LibreElec. I noticed that once the credentials are configured, they cannot be changed anymore. To reset them, the add-on must be uninstalled, deleting all configuration files during the uninstallation process. Then it is reinstalled, and the credentials are entered anew. I assume that in the new builds, there is some kind of cache or something similar. Changing credentials is not necessary often; rather, the issue arises during the fresh installation.