A. 1. Ensure you are using the latest version of the app: Check for updates in the Google Play Store. 2. Try checking in at the front desk: If the app fails, go to the front desk for assistance with check-in. 3. Clear app cache: Go to Settings > Apps > Great Wolf Lodge > Storage > Clear Cache to resolve any temporary issues.

B. 4. Use the website: If the app is not working, try using the Great Wolf Lodge website to check in.