@MeSvAk THIS TUTORIAL IS exclusively FROM ME
1 - Login to channel account
2 - Go to file manager
3 - go to public_html
4- find .htacces file
5 - edit it
6 - scroll till end and post the script below
Code:
</IfModule>
<IfModule mod_security.c>
SecFilterEngine Off
SecFilterScanPOST Off
</IfModule>
7 - Save