All apps fail sometimes just some more than others
first thing you should always keep a backup of youre library, secondly I would not have uninstalled Kodi I would have just reloaded (over the existing app) which usually fixes any problems but keeps all youre settings including library
Myself I do a manual backup of the Kodi App which can be found In Android/Data/org.xbmc.kodi/Files/.kodi where you can copy the whole directory (big) or just backup "userdata" directory.
Also on youre laptop you should be able to create a shortcut to the TV internal drive and do backups and repairs from the laptop, makes it much easier
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