If you encounter a NoClassDefFoundError after downloading, check these common fixes:
Since Hibernate Validator is the "reference implementation" for Bean Validation, their site provides bundles. Hibernate Validator Releases
Ensure your API version (e.g., Jakarta 3.0) matches your implementation version.
We recommend this way to download app, because it has less change to your current Apple ID.
Before you update your location, you must spend your store credit, cancel your subscriptions, and get a payment method for your new country or region.
For more details, please refer this url:
https://support.apple.com/en-us/HT201389