Before reading the article below, we recommend that you read the step-by-step guideline to setting up machine translation (MT): How to enable and set up machine translation (MT).

Issue description & Solution

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Check that no additional white spaces are present.
Check if your credentials are correct. If you have another set of credentials, check them as well.
Check if your MT engine's API panel permits connections to the outside world (especially Google MT).
If nothing happens when you click on Synchronize, or there is an error, open the Dev Tools in your browser and check for error messages (see the following article for help: How to use browser's a developer tools (Dev Tools)?).

MT engine fails to process some of the segments

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