406 Not Acceptable Error

-- HikaShop version -- : 2.3.2
-- Joomla version -- : 3.3.3
-- PHP version -- : native (5.4)
-- Browser(s) name and version -- : Chrome Version 36.0.1985.125
-- Error-message(debug-mod must be tuned on) -- : Not Acceptable

An appropriate representation of the requested resource /mafiaoutdoors/administrator/index.php could not be found on this server.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.

When attempting to edit the Order Admin notification email address, when I try to save or close the admin page I get this error: Not Acceptable

An appropriate representation of the requested resource /mafiaoutdoors/administrator/index.php could not be found on this server.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.

My hosting is with GoDaddy on a Linux shared hosting server. Can you tell me the problem here?

This error occurs when I open any of the links on the "Emails" editing page. I can't save, cancel or sand close any of the links.

Hello Everyone, I was able to over this problem the error, start from the error which is the following
Error 406 - Not Acceptable
Generally, a 406 error is caused because a request has been blocked by Mod Security. If you believe that your request has been blocked by mistake please contact the web site owner.
so I went to Cpanel --> then I searched MOD, I disable it, I did my edit, then I re-Enable it again, the problem solved, its easy fix, thanks for the hint by Mohamed,