objective c - Can not determine type information for -[GSMutableString stringByReplacingOccurencesOfString: withString:] -


i have strange issue (only on windows, works fine on mac). want remove blank spaces, (so replace them empty string), , have error above when come part of code:

nsstring *thereport = [thetemplate report]; thereport = [thereport stringbyreplacingoccurrencesofstring:@" " withstring:@""];

[thetemplatereport] return itsreport, nsstring. don't understand part mutablestring in error. have clue ? thank !


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