B. This error is related to the Language Cloud settings saved in SDL Trados Studio. Solution: 1. Close SDL Trados Studio 2. Go to C:\Users\[USERNAME]\AppData\Roaming\SDL AppData is a hidden folder. Follow the steps described in this article: https://gateway.sdl.com/apex/communityknowledge?articleName=000001137 to uncover hidden folders. 2. Find "LanguageCloud.bin" or "LanguageCloudMachineTranslation.bin" 3. Rename the file to LanguageCloud_OLD.bin or LanguageCloudMachineTranslation.bin_OLD 4. Start SDL Trados Studio and check if you can add Language Cloud machine translation to your translation.