Installation silently blocked for Android release build signed APK when testing App update-ThrowExceptions

Exception or error: When I try to update my app (installing signed APK with higher version manually on app already installed from playstore), it is not being installed (” App not installed”) and shows the following error in Studio : I/Finsky: [1144] com.google.android.finsky.verifier.impl.en.c(263): Verifying id=8, result=-1 I/Finsky: [1144] com.google.android.finsky.verifier.impl.dq.a(37): Installation silently blocked for com.somename.somename I/Finsky: …