QuickBooks Error 15241 is a real-time error that occurs when you try to save a document in QuickBooks. In general, the cause of this error is an incompatible file type. For example, some users may be using an older version of Microsoft Word and accidently saving their document as a PDF instead of as an Excel file. To solve this error, simply open the saved document in Microsoft Word and make sure that your file type matches the program you are trying to save it in.