during trying to upgrade to recent version my site went completely down.
We can see the following error messages in browser:
Corrupted Content Error
The site at https://community.mawazna.com/ has experienced a network protocol violation that cannot be repaired.
The page you are trying to view cannot be shown because an error in the data transmission was detected.
** Please contact the web site owners to inform them of this problem.**
Please can you help.