Let’s discuss a bit more about this error and show you some possible ways of fixing it. This can happen to both Mac and Windows 10 users. Apart from these issues, there is another frustrating hiccup that does not allow the iPhone to be synced, and is caused by the iTunes error 54. Like, when you use iTunes to sync or backup your phone, you might come across many unexpected errors like iTunes error 0圎8000015, compatibility error, iPhone backup corrupt, or error 3194. Sure, it is a wonderful experience to use an iPhone, but it also comes with a few challenges.