Error when creating a post

[Rubio]

Hi, I have the problem that every time I post postero appears this error and tried to change permissions and it does not work I hope you can help me.

https://vborg.vbsupport.ru/external/2014/05/20.jpg

Thanks in advance

Regards

[RichieBoy67]

Did you make changes to htaccess lately?

[Lynne]

Do you have mod_security or suhosin on your server (you will probably need to ask your host this question)?