Time machine sparsebundle corrupt can be the issue why you are not able to recover your lost data from the time machine backup. The Mac is a pretty advance machine with its sophisticated operating system which is used for many important tasks by the user and all the data is saved in the Mac drive. There can certain unfortunate circumstances when the files can get deleted or corrupted because of some reason and when you try to restore those files with inbuilt back up tool you get the error time machine sparsebundle corrupt. This can happen if the time capsule, external drive where the copy of files are saved is not responding. It may not be the only reason for the time machine sparsebundle corrupt as the time machine application error can also cause this problem. If you are unable to solve it then you can use the Mac data recovery software to restore all the lost filed on Mac. The software efficiently scan the Mac drive and then show the preview of the deleted files so that you can choose and restore them. So you should download and use the recovery tool now.