[com.google.android.apps.tachyon] Google Meet fails to register

[t-m-w]

Affected app Name: Google Meet (formerly Google Duo) Package id: com.google.android.apps.tachyon Affected version: 174.0.471884746.duo.android_20220821.17_p2 (seems to affect all versions as far back as April, when still named Duo)

Describe the bug Google Meet registration via phone number (required) fails with an error "Something went wrong. Please try again" and log messages showing Received GRPC_REGISTER error and INVALID_ARGUMENT: Request contains an invalid argument. (Log attached further down.)

To Reproduce Steps to reproduce the behavior:

1. Install Google Meet and open the app.
2. Agree to the terms.
3. Give access to contacts and to make phone calls, or don't. Doesn't matter.
4. Enter a valid phone number.
5. Tap Agree.

Expected behavior The app registers successfully and is usable.

Screenshots

System Android Version: 12L Custom ROM: CalyxOS 3.8.0 (custom build)

microG microG Core version: 0.2.24.214816-25 (4b20f8b) microG Self-Check results: All ticked

Additional context Log: tachyon.log

Log snippet (more in log attached above):

09-12 18:59:10.738  6398  6837 W Grpc    : Received GRPC_REGISTER error (id: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx), tachyon-error: 1
09-12 18:59:10.738  6398  6837 W Grpc    : zjm: INVALID_ARGUMENT: Request contains an invalid argument.
09-12 18:59:10.738  6398  6837 W Grpc    :  at io.grpc.Status.g(Unknown Source:2)
[...]

[lookway12123]

Affected app Name: Google Meet (formerly Google Duo) Package id: com.google.android.apps.tachyon Affected version: 174.0.471884746.duo.android_20220821.17_p2 (seems to affect all versions as far back as April, when still named Duo)

Describe the bug Google Meet registration via phone number (required) fails with an error "Something went wrong. Please try again" and log messages showing Received GRPC_REGISTER error and INVALID_ARGUMENT: Request contains an invalid argument. (Log attached further down.)

To Reproduce Steps to reproduce the behavior:

1. Install Google Meet and open the app.
2. Agree to the terms.
3. Give access to contacts and to make phone calls, or don't. Doesn't matter.
4. Enter a valid phone number.
5. Tap Agree.

Expected behavior The app registers successfully and is usable.

Screenshots

System Android Version: 12L Custom ROM: CalyxOS 3.8.0 (custom build)

microG microG Core version: 0.2.24.214816-25 (4b20f8b) microG Self-Check results: All ticked

Additional context Log: tachyon.log

Log snippet (more in log attached above):

09-12 18:59:10.738  6398  6837 W Grpc    : Received GRPC_REGISTER error (id: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx), tachyon-error: 1
09-12 18:59:10.738  6398  6837 W Grpc    : zjm: INVALID_ARGUMENT: Request contains an invalid argument.
09-12 18:59:10.738  6398  6837 W Grpc    :    at io.grpc.Status.g(Unknown Source:2)
[...]