They wrote this to me and it worked:
“Please ensure that your server has the PHP ZipArchive Extension enabled, if you are not sure try asking your web host.
If this doesn’t help, ask your web host if they are blocking our IP address, kriesi.at.”
follow the steps in this video:
It worked, thank you very much!!
ok, thank you!! If I have any answers I will let you know.
I have the same problem, have they given you a solution? I have tried everything they recommend, and it doesn’t work for me even trying it manually.