In a few days new Android version will get published, you may try that one. It contains a fix to prevent crashing when invalid data found. I am not sure though if it helps in your case, but at least a logic to proccess password entries has been refactored.
Could you check the steps mentioned in the link here to sync your passwords between the android device and the Windows computer?
Maybe you can try to change master password on your Android application to the same one you are using on Desktop version and then generate sync code on Desktop and enter on Android, after that it shouldn't ask you to change master password.
Did you try to remove Android app completely and then install again? It should remove your local storage and cached data. After that you may generate sync code on your desktop application and enter sync code on Android app and then fetch your password collection.
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