Firebase Remote Config Fetch failed with user not authorized Code Answer

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I’m trying to set up my production application to use remote config, but I’m getting a FirebaseRemoteConfigFetchException. This project is already deployed, we use FCM, Crashlytics and Dynamic Links. If I use the dev project on firebase everything work just fine. So I don’t think it’s the google-service.json configuration. The only difference between the configurations is in the production instance I have the SHA certificate fingerprint setup.

2019-02-08 22:59:52.755 19724-19744/? W/System.err:
java.io.IOException:
com.google.android.gms.internal.firebase_remote_config.zzas.read()
returned value out of range -1..255: -117 2019-02-08 22:59:52.755
19724-19744/? W/System.err: at
java.util.zip.GZIPInputStream.readUByte(GZIPInputStream.java:273)
2019-02-08 22:59:52.755 19724-19744/? W/System.err: at
java.util.zip.GZIPInputStream.readUShort(GZIPInputStream.java:260)
2019-02-08 22:59:52.755 19724-19744/? W/System.err: at
java.util.zip.GZIPInputStream.readHeader(GZIPInputStream.java:165)
2019-02-08 22:59:52.755 19724-19744/? W/System.err: at
java.util.zip.GZIPInputStream.(GZIPInputStream.java:80)
2019-02-08 22:59:52.755 19724-19744/? W/System.err: at
java.util.zip.GZIPInputStream.(GZIPInputStream.java:92)
2019-02-08 22:59:52.756 19724-19744/? W/System.err: at
com.google.android.gms.internal.firebase_remote_config.zzad.getContent(Unknown
Source:46) 2019-02-08 22:59:52.756 19724-19744/? W/System.err: at
com.google.android.gms.internal.firebase_remote_config.zzd.zza(Unknown
Source:12) 2019-02-08 22:59:52.756 19724-19744/? W/System.err: at
com.google.android.gms.internal.firebase_remote_config.zzm.zza(Unknown
Source:14) 2019-02-08 22:59:52.756 19724-19744/? W/System.err: at
com.google.android.gms.internal.firebase_remote_config.zzg.zzb(Unknown
Source:5) 2019-02-08 22:59:52.756 19724-19744/? W/System.err: at
com.google.android.gms.internal.firebase_remote_config.zzaa.zzad(Unknown
Source:178) 2019-02-08 22:59:52.756 19724-19744/? W/System.err: at
com.google.android.gms.internal.firebase_remote_config.zzf.zzi(Unknown
Source:51) 2019-02-08 22:59:52.757 19724-19744/? W/System.err: at
com.google.android.gms.internal.firebase_remote_config.zzer.zzc(Unknown
Source:41) 2019-02-08 22:59:52.757 19724-19744/? W/System.err: at
com.google.android.gms.internal.firebase_remote_config.zzer.zzb(Unknown
Source:23) 2019-02-08 22:59:52.757 19724-19744/? W/System.err: at
com.google.android.gms.internal.firebase_remote_config.zzer.zza(Unknown
Source:149) 2019-02-08 22:59:52.757 19724-19744/? W/System.err: at
com.google.android.gms.internal.firebase_remote_config.zzes.then(Unknown
Source:6) 2019-02-08 22:59:52.757 19724-19744/? W/System.err: at
com.google.android.gms.tasks.zzf.run(Unknown Source:2) 2019-02-08
22:59:52.757 19724-19744/? W/System.err: at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
2019-02-08 22:59:52.757 19724-19744/? W/System.err: at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
2019-02-08 22:59:52.757 19724-19744/? W/System.err: at
java.lang.Thread.run(Thread.java:764) 2019-02-08 22:59:52.757
19724-19744/? E/FirebaseRemoteConfig: Fetch failed! Server responded
with an error.
com.google.android.gms.internal.firebase_remote_config.zzd: 403 Forbidden
at com.google.android.gms.internal.firebase_remote_config.zzm.zza(Unknown
Source:14)
at com.google.android.gms.internal.firebase_remote_config.zzg.zzb(Unknown
Source:5)
at com.google.android.gms.internal.firebase_remote_config.zzaa.zzad(Unknown
Source:178)
at com.google.android.gms.internal.firebase_remote_config.zzf.zzi(Unknown
Source:51)
at com.google.android.gms.internal.firebase_remote_config.zzer.zzc(Unknown
Source:41)
at com.google.android.gms.internal.firebase_remote_config.zzer.zzb(Unknown
Source:23)
at com.google.android.gms.internal.firebase_remote_config.zzer.zza(Unknown
Source:149)
at com.google.android.gms.internal.firebase_remote_config.zzes.then(Unknown
Source:6)
at com.google.android.gms.tasks.zzf.run(Unknown Source:2)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
at java.lang.Thread.run(Thread.java:764) 2019-02-08 22:59:52.759 19724-19754/? E/FirebaseRemoteConfig: Fetch failed!
com.google.firebase.remoteconfig.FirebaseRemoteConfigFetchException:
Fetch failed: The user is not authorized to access the project. Please
make sure you are using the API key that corresponds to your Firebase
project.
Check logs for details.
at com.google.android.gms.internal.firebase_remote_config.zzer.zzc(Unknown
Source:77)
at com.google.android.gms.internal.firebase_remote_config.zzer.zzb(Unknown
Source:23)
at com.google.android.gms.internal.firebase_remote_config.zzer.zza(Unknown
Source:149)
at com.google.android.gms.internal.firebase_remote_config.zzes.then(Unknown
Source:6)
at com.google.android.gms.tasks.zzf.run(Unknown Source:2)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
at java.lang.Thread.run(Thread.java:764)

Answer

After digging a little bit, and looking all over the place, I found that for some reason I had to go to https://console.developers.google.com -> Enable API and Services -> Firebase Remote Config, and enable that API. After doing that everything started to work again.

I hope this helps someone in the future, cheers!

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