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Hey Guys ... I need help .. I have an app which was build Using Eclipse , I rewrote the app in Kotlin using Android Studio ... am having a challenge Generating a singed apk .. the  alias key `No key with alias` not found `found in keystore` am using the same one i used in android studio..

Your question is not related to Kotlin. 
In general looks like wrong keystore alias, check official docs or ask your question on StackOverflow

<https://developer.android.com/studio/publish/app-signing>

<@U0BRK9HC5> i have google and stackover but the project was build in eclipse from a difference machine .. i rewrote it in Kotlin .... the alias key is refusing

I suppose you just have wrong signing config
Hard to tell something without information.
Also, as I said, it’s not related to Kotlin