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Last tested: Jan 25, 2021
If a user is running into this error message while trying to update dependencies, check whether the import credentials are valid.
To do that, open up the Import Credentials page under Project Settings.
Running this test should provide a descriptive reason on why the error message is being thrown. If the READ_ACCESS test fails, re-configure the Git connection to the repo.
Authorize the provided SSH public key in the project repository’s host by adding it as a deploy key. Write access is not required.