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If the decompile process didn't work properly, try the Android APK Decompiler.
You must set the correct path and name in the manifest file to your own application class.
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java.lang.RuntimeException: Unable to create application com.droid4you.application.wallet.Application: java.lang.RuntimeException: java.lang.NullPointerException: Attempt to read from field 'java.lang.String com.couchbase.lite.DatabaseUpgrade$1Pair.revID' on a null object reference