Nextcloud Onlyoffice out of space

hello mundo,

I try to put onlyoffice on my nextcloud but I have this message and i don’t understand anyhting:

Erreur durant la tentative de connexion (cURL error 60: SSL: no alternative certificate subject name matches target host name ‘’ (see for

if a nice person could give his light to see in this dark world of installation of oNLYOFFICE on my nextcloud server, it would be very nice ! thank you !