Does it crash every time when you open this file? If so, can you share this file by email to support@zotero.org and mention this thread?
In case this is the last file so it restores every time you launch the app, you can tap and hold the app icon, and select the My Library action, in order to not restore.
In case this is the last file so it restores every time you launch the app, you can tap and hold the app icon, and select the My Library action, in order to not restore.