Error in Asterisk server

please i need help. my asterisk FreePBX. it was given me a small problem, and i reinstall it and now i have this message on the main page ( FreePBX notice|) retrieve conf failed. config not applied and asterisk manager connection failure.

This room, they dont help at all.

This is not a support sub-forum.

Moreover it is not a FreePBX forum.

The FreePBX forums are at

…not to mention that the first post doesn’t provide any useful information for tracking down the problem…

oh ok but at least someone must say to me because I am a new in Asterisk server. Thanks you guys.