You uploaded an APK that is signed with a different certificate to your previous APKs. You must use the same certificate. Your existing APKs are signed with the certificate(s) with fingerprint(s):
[ SHA1: 9F:06:4D:85:53:B2:23:4A:DE:A4:44:53:E4:3E:89:27:45:B2:00:97 ]and the certificate(s) used to sign the APK you uploaded have fingerprint(s):
[ SHA1: 78:68:1B:19:0D:F0:D1:20:82:4E:C9:01:D8:25:14:7B:8A:F9:9E:51 ]
please help how i can solve this issue as i don't want to lose my ratings and number of installs or even the current users by creating a new one on play store
please i need this urgently to upload the new update of the app
please note that this app was uploaded from 2015
thanks in advance