Hello,
have you correctly put all the required info in your project settings?
Publishing on Google Play requires:
1) App identifier
2) App version string
3) App Version Number
4) Keystore (with all passwords correctly set up, you can create a keystore easily)
5) Google Play Public Key: you must put there the value copied from Google Play developer console, your app, "Services & APIs", "YOUR LICENSE KEY FOR THIS APPLICATION". It is a Base64-encoded RSA public key
6) Build your app with PubCoder selecting Google Play Store Distribution when asked
Could you please specify which errors you get?
Giancarlo
