1027 - Cannot use <%s> to modify <%s> for Variable '%s'.
Description
    
An attempt was made to modify a variable with a differing type, where such an operation is not supported.
    
Example
    
Config:
    .MyVar = 'string'
.MyVar + 7
Output:
c:\Test\fbuild.bff(2):(8) FASTBuild Error #1027 - Cannot use <Int> to modify <Any> for Variable '.MyVar'.
.MyVar + 7
       ^
       \--here
Fix:
.MyVar = 'string'
.MyVar + 'another string'
    