| Problem | Cause | Solution | 
|---|---|---|
| Activation is not completed on the client. | To complete the activation of the client, the system administrator must first provision a user in the  Workcloud Communication PTT Pro Management Portal. | Contact the system administrator to provision the user. | 
| The Map tab appears black or blue. | The  Location Servicesfeature on the device is turned off. The  Google Play servicesfeature on the device is disabled and/or is out-of-date. A firewall is blocking access to Google Maps. | Turn on the device’s  Location Services. Enable and/or update  Google Play services. For more information about  Location Servicesand Google Play servicesfor a specific device, refer to the documentation for that device. | 
| The client displays a public key mismatch error. | A new user logs into a device. | Contact the system administrator to clear the public key for the new user in the  Workcloud Communication PTT Pro Management Portal. | 
| Zebra PTT Prodoes not operate properly after an upgrade to the device operating system. | The  Zebra PTT Proapp installed on the device is not supported on the new version of Android. | Update the  Zebra PTT Proapp to a version supported on the device operating system. | 
| Zebra PTT Prodisplays an error screen and restarts  . | If the client encounters a low-level error. | No action is required by the user, the client will automatically restarts. |