[SOLVED] Install package rpm Failed

Hi everyone
I am news of mageia and i have this problem :
1 ONLYOFFICE e OPERA BROWSER
I'm trying to install to install this software but I get this error message: "incompatible architecture for rpm file"
is there anyone who can help me?
2 The sofware ONLY OFFICE is also present in the flatpak but also in this case it is not possible to install, I have tried to install other softwares too but I can't, can someone explain to me how the flatpak works with mageia?
thank's
I am news of mageia and i have this problem :
1 ONLYOFFICE e OPERA BROWSER
I'm trying to install to install this software but I get this error message: "incompatible architecture for rpm file"
is there anyone who can help me?
2 The sofware ONLY OFFICE is also present in the flatpak but also in this case it is not possible to install, I have tried to install other softwares too but I can't, can someone explain to me how the flatpak works with mageia?
thank's