DTD Version missing or incompatible in the XML file

[milosbm]

DTD Version missing or incompatible in the XML fileIt is happen almost on every plugin : company directory,form builder,gallery ... ......

Please help it is urgent . I use cmsms 1.11.10 but i try also 1.11.09 and all happen again

Thanks , Hvala

[Dr.CSS]

You need to post/paste your system information from the site admin...

[milosbm]

Linux Basic
Apache version 2.2.26
PHP version 5.3.27
MySQL version 5.5.36-cll
Architecture x86_64
Operating system linux
Perl version 5.10.1
Kernel version 3.10.23-xxxx-std-ipv6-64

but i cannot find out anything from modules panel because i cannot install module cgextensions

[Dr.CSS]

There is a page under Site admin called system info, that is where you can get all the info we need...