After an upgrade when starting the vRanger Client there is an error message that pops up stating:
Fatal Error: requested cast is not valid
The vRanger Database has become corrupted.
Complete uninstall of the vRanger software, including the Database.
Then a Full installation of the vRanger product.
**WARNING You will loose all your Jobs, but not the Savepoints. Job Retention will be lost as well. You will start with a full backup on the first attempt.
