How can I solve?

Hello everyone,
I recently started using this Community Suite 4.2.2 platform, in fact I tried to load the plugin in my forum
but it gives me this problem ...

(The application you uploaded cannot be installed because it is not a valid application, the archive is corrupt or the file and directory permissions in /applications do not allow it.)

Do you know how to solve this problem if it is possible?
Thank you for your availability

https://openload.co/f/weEKUCK5Nk0/Fix