Error during upgrade project from Automation builder 1.1 to 1.2
I installed new version of Automation builder 1.2. I open one of my project, which were created in version 1.1. Then I agreed with upgrade project to version 1.2. But during this upgrade following error message appeared:
The project contains objects that are not supported by current installation: PersistenceHelper.
Please install appropriate packages
Could you help me?