Activation error 20515020

[Diab 0]

Hii
I format my Android device and reinstall ESET I can't Activate the app I have a license valid until end of this year i got this error message, Activation error 20515020, what should I do.

[Marcos 5,070]

I was able to find only a license for ESET Smart Security Premium registered to your email address and valid until Nov this year. The others were freemium licenses for Parental Control and ESET Security for Android. If you have actually purchased any of the products for Android, please contact your local ESET distributor.