Replace the Gracenotes file with the North America version below and try the update again.
4U5T-14G423-CB 566Mb Sync3 v3.3.20178 1.1.1.2218 (NA-0020) (23.05.2020): NA (9)
You may be out of memory space with the Global EU file, which is incorrect for your application. You can download the file thru the Updater app. Reformat is not necessary unless you are loading new maps, which you do not have. (NON-NAV)
This tutorial will help you understand the issue.
Tutorial: Sync 3.4 NON-NAV APIM: Failure to Update to Newer Version Sync 3.4 - Ford / Guides & Info - CyanLabs Official Community