Crashes / bugs / cant download

Even after trying to resolve my recurrent issues via support, i.m just unable to download new comics... Tried on Thor/Deadpool, cant even read online....
Getting errors such as : cannot download / error 404 / error 200-299...
Unistalled app, signes out/signed in, rebooted ipad, nothing works and im there with my annual purchase, unable to read any comic...

Oinotonio about Marvel Unlimited, v2.4