Android UMP - Request consent always fails

Question

I implemented consent request using UMP according to this guide.

I use real device to check the implementation:

    fun initialize(activity: Activity) {
        val params = ConsentRequestParameters.Builder()

        if (BuildConfig.DEBUG) {
            val debugSettings = ConsentDebugSettings.Builder(context)
                .setDebugGeography(ConsentDebugSettings.DebugGeography.DEBUG_GEOGRAPHY_EEA)
                .addTestDeviceHashedId("E608A703339C5546343D0D3A2AC00FB0")
                .build()
            params.setConsentDebugSettings(debugSettings)
        }

        consentInformation.requestConsentInfoUpdate(
                activity,
                params.build(),
                {
                    // Proceed with result
                },
                { log.debug("error during consent request $it") }
        )
    }

Each time this results in error: W/UserMessagingPlatform: Invalid response from server: Failed to read publisher's account configuration; try again later.

Things I've already checked:

• App ID (from AdManager) in Manifest is correct.
• There are no additional parameters in request, everything as described in guide.
• Referred to this answer, we have Funding Choices account. And right now it is in transition, as mentioned here.
• Account is active and not under verification.

Any ideas why it fails?

Answer 1

The message, specific to app and regulation zone was missing. Inside ad managing service (AdManager, AdMob, etc), in Privacy & messaging section. There should be specific message added for zone (e.g. GDPR). It is required step to make UMP work.