I have added a custom m3u url edited with a m3u/epg editor (Iptv boss) the trimmed down channels show up with no issue but the exported xml (epg) is blank with this error in the logs. [ERR] Failed to get placeholder channels for lineup XMLTV-streamprovider: XML syntax error on line 1: element
closed by . Just to test I added same m3u and xml to a Jellyfin test setup and everything works fine.