Hello Reco1987 !

May you please specify the list of your Chat troubles? Here is the list of docs which may be useful https://github.com/unaio/una/wiki/Cloud-FAQ 

and some info about own Chat+ server setup:

https://github.com/boonex/dolphin.pro/wiki/ChatPlus-Installation-Instructions-(CentOS-with-Apache)

https://github.com/boonex/dolphin.pro/wiki/ChatPlus-Installation-Instructions-(CentOS-with-Apache)