SAP Message WAF030 - You can only install one version of an application

Diagnosis
You tried to add an application that is already installed in anotherversion on the mobile device. You may not have two versions of the sameapplication installed at the same time.

System Response
The entry is not added.

Procedure
Uninstall the old version of the application by placing the cursor onthe application and choosing Delete. The version is marked tobe uninstalled. You can then add a new version.