The major version of the project is not compatible with the
product version. This project will be disconnected.
The project version does not match the version of
the product. The might occur when a project that was created using
an older version of Test UI is
used with new version resulting in the project being incompatible
with the version of the product. The user is given an option to upgrade
the project to make the project compatible with the product version.
Check that the project version is compatible with
the minor version of the product. Right-click the project and select Properties.
Select Functional Test Project to see the project version.