Vision Client Launcher error message

[Tyler_Shoemake]

This looks like its the same error as yours, try this.

Error startup vision client during connection with backup gateway

You must ensure all of your add-on module versions are identical on both gateways. If you update/add a module on the master while they are synchronized, it will be added/updated on the backup server for you. If you add/update modules at any other time, you must manage the versions yourself.