Invalid OAuth Token from Chrome App Heartbeat about loaner HOT 4 CLOSED

@iamgeef Did you ever get this resolved? I think I am encountering the same issue.

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I installed and ran a demo project in September, successfully.
I deleted the project but left the gSuite components in place.

I have now tried to rebuild the GCP project and deploy. Connecting to the same gSuite configuration.

The backend is working as expected. Recreated the chromebooks in the loan system.
Deployed new oauth keys etc. web_app is working.
Chrome app doesn't think it is registered. (see screen shot)

Logs have the same message as indicated above invalid tokens.

Unable to get authorized scopes. (/base/data/home/apps/f~[[projectID]]/chrome:root-20181205.414461687226952207/external/endpoints_archive/endpoints/users_id_token.py:371)
Traceback (most recent call last):
File "/base/data/home/apps/f~[[projectID]]/chrome:root-20181205.414461687226952207/external/endpoints_archive/endpoints/users_id_token.py", line 369, in _set_bearer_user_vars
authorized_scopes = oauth.get_authorized_scopes(sorted(all_scopes))
File "/base/alloc/tmpfs/dynamic_runtimes/python27g/d22767677e9aa897/python27/python27_lib/versions/1/google/appengine/api/oauth/oauth_api.py", line 172, in get_authorized_scopes
_maybe_call_get_oauth_user(scope)
File "/base/alloc/tmpfs/dynamic_runtimes/python27g/d22767677e9aa897/python27/python27_lib/versions/1/google/appengine/api/oauth/oauth_api.py", line 221, in _maybe_call_get_oauth_user
_maybe_raise_exception()
File "/base/alloc/tmpfs/dynamic_runtimes/python27g/d22767677e9aa897/python27/python27_lib/versions/1/google/appengine/api/oauth/oauth_api.py", line 240, in _maybe_raise_exception
raise InvalidOAuthTokenError(error_detail)
InvalidOAuthTokenError

Device ID and serial number all check out in console logs.

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Note: I have rebuilt and redeployed the chrome app with new keys twice. It doesn't seem to be that.
PS: Set logging to be True in shared/config.ts
Not sure I see anything different in stackdriver

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There is also the following warning. But I cant recall if that was there previously.

multistore_file.py:62
The oauth2client.contrib.multistore_file module has been deprecated and will be removed in the next release of oauth2client. Please migrate to multiprocess_file_storage.
request_id: "5c08b5f400ff0d534af1636bae0001667e6469616c6f67677261626e676f0001726f6f742d3230313831323035000100"
timestamp: "2018-12-06T05:39:03.229Z"
location: "/base/data/home/apps/f~[projectID]/root-20181205.414461667803272195/external/oauth2client_archive/oauth2client/contrib/multistore_file.py:62"

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