i cant install any vote reward system

[trhero]

i cant install any vote reward i try 2 vote reward system to install but same error say cant connect to mssql server but i write everything true nothing wrong my server working fine also my website working good to but i cant install votereward system Why can it give this error

[MentaL]

[tutero69]

web site file you are using ?

if you use Core it is in the mu coins manager