I have 2 site in here.
1/. iptv.freecluster.eu/gemini-iptv/admin (work)
2/. dnforget.freecluster.eu/gemini-iptv/admin (non work)
same configuration. one is work, another non work. ???
Site #2 returns a 500 code. You need to figure out what the actual error is: https://infinityfree.net/support/http-error-500