1108 - Function '%s' already defined.
Description
    
Function must be declared only once and function names must be unique.
    
Example
    
Config:
    function Func(){}
function Func(){}
Output:
C:\test\fbuild.bff(2,10): FASTBuild Error #1108 - Function 'Func' already defined.
function Func(){}
         ^
         \--here
Fix:
function Func1(){}
function Func2(){}
    