@Ann Bens do you have Creative Cloud installed at work? Specifically, does an admin deploy a package to your machine or did you install everything yourself?
What we're seeing in the log is that there is a locale mismatch. The Creative Cloud app is expecting en_US however it appears that the OS is sending en_GB. Could you share a screenshot of Preferences > Apps with the "Default install language" visible from the Creative Cloud app? Try switching between "English (North America)" and "English
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