DefaultCredentialsError: File *********** was not found.

[sentry]

Sentry Issue: STACKIT-1N

DefaultCredentialsError: File ********** was not found.
(21 additional frame(s) were not displayed)
...
  File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/cloud/client.py", line 317, in __init__
    Client.__init__(
  File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/cloud/client.py", line 176, in __init__
    credentials, _ = google.auth.default(scopes=scopes)
  File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/auth/_default.py", line 459, in default
    credentials, project_id = checker()
  File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/auth/_default.py", line 221, in _get_explicit_environ_credentials
    credentials, project_id = load_credentials_from_file(
  File "/layers/google.python.pip/pip/lib/python3.9/site-packages/google/auth/_default.py", line 107, in load_credentials_from_file
    raise exceptions.DefaultCredentialsError(