Unable to update app on PlayStore

I created an app 2 years ago on appybuilder and not updated it till now. As appybuilder is shutting down I decided to rebuild it from scratch in kodular as there was few issues in exporting it.
I added the same package name but on exporting key certificate error was encountered.
I contacted playstore for the same and got a reply but don’t know how to proceed.

Reply from Playstore

  1. Follow the instructions in the Android Studio Help Center to generate a new key. It must be different from any previous keys. Alternatively, you can use the following command line to generate a new key:

keytool -genkeypair -alias upload -keyalg RSA -keysize 2048 -validity 9125 -keystore keystore.jks

  • This key must be a 2048 bit RSA key and have 25-year validity.
  1. Export the certificate for that key to PEM format:

keytool -export -rfc -alias upload -file upload_certificate.pem -keystore keystore.jks

  1. Reply to this email and attach the upload_certificate.pem file.

Thanks in advance

What happened when you followed the instructions?

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I can Do it I will Try

You revived a 8 month old thread?

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