ERROR impl.UIMServerUpgradePreparationPanel$UpgradePreparationSwingWorkerThread:doInBackground:278 [SwingWorker-pool-1-thread-2] - Exception caught during validation checks.
(90) Configuration error, Failed to retrieve necessary information from configuration files for upgrade.
An uninstall and re-install of the product is required.: Illegal base64 char found '@'
Caused by: (110) Security error, Illegal base64 char found '@'
UIM 9.0.2 and Later
Component : UIM - INSTALL
Remove the "@" in the database password.