Preprocessor errors

From Unreal Wiki, The Unreal Engine Documentation Site

Errors

Error, End of script encountered while attempting to parse macro parameter
Error, Unknown macro 'macroname'.
The used macro does not exist, be sure that the macro you are trying to use actually exists, if it does and this error still remains then you are probably trying to use a macro that was included or defined in the parentclass of your class.
Error, Unterminated macro name