If you have multiple accounts, temporarily remove the non-purchasing accounts via , then restart your phone. 2. Clear Cache and Data for Google Play Store
Occasionally, a fresh purchase takes a few minutes to sync across Google's servers to your device. Step-by-Step Methods to Fix Hex Installer License Error
If the app was purchased on Account A but Account B is currently the primary "active" account in the Play Store, verification may fail.
: Purchase and download the official app from the Google Play Store to ensure the license is correctly linked to your Google account.