So I have Magix Music Maker 15 and I transferred .mmm music files from my external hard drive to my laptop to work on them again. However, whenever I try to load any file, I recieve an error message saying, "The file [...] associate with the arrangement was not found. And then it asks me if the file is on a removable disk or if it has been moved. Not sure what to do or how to recover my files and be able to work on them again.