Unable to log in to Textto

Attempting to press the "Sign in with Google" button results in an immediate error:

Although I'm not too familiar with logcat, glancing at it seems to suggest an issue with Firebase:

[02-23 11:53:11.504 6157:11615 I/ActivityManager]
Killing 20383:com.moduloapps.textto/u0a134 (adj 906): empty #17

[02-23 11:53:21.506 6157:6171 I/ActivityManager]
Start proc 23110:com.moduloapps.textto/u0a134 for broadcast com.moduloapps.textto/com.google.firebase.iid.FirebaseInstanceIdInternalReceiver

[02-23 11:53:36.780 6157:6171 I/ActivityManager]
Waited long enough for: ServiceRecord{4b05ef u0 com.moduloapps.textto/.service.FirebaseIdService}

[02-23 11:55:30.252 6157:6171 I/ActivityManager]
Waited long enough for: ServiceRecord{2b66166 u0 com.moduloapps.textto/.service.FirebaseIdService}

[02-23 11:56:51.727 6157:6171 I/ActivityManager]
Waited long enough for: ServiceRecord{f275250 u0 com.moduloapps.textto/.service.FirebaseIdService}

[02-23 11:58:50.858 6157:6171 I/ActivityManager]
Waited long enough for: ServiceRecord{b86e27f u0 com.moduloapps.textto/.service.FirebaseIdService}

[02-23 12:02:43.393 6157:6171 I/ActivityManager]
Waited long enough for: ServiceRecord{44b7bad u0 com.moduloapps.textto/.service.FirebaseIdService}

[02-23 12:08:03.134 6157:6550 I/ActivityManager]
START u0 {act=android.settings.APPLICATION_DETAILS_SETTINGS dat=package:com.moduloapps.textto flg=0x10008000 cmp=com.android.settings/.applications.InstalledAppDetails bnds=[588,691][1358,887]} from uid 1000

[02-23 12:08:37.421 6157:6171 I/ActivityManager]
Waited long enough for: ServiceRecord{c72e7a4 u0 com.moduloapps.textto/.service.FirebaseIdService}

[02-23 12:16:42.607 26442:26442 D/MyDeviceLogs]
[LogcatLiveFragment] onSearchAction: textto

Start by reproducing the failure when pressing “Sign in with Google” in Textto and review the supplied logcat, especially the FirebaseInstanceIdInternalReceiver and FirebaseIdService entries. No source file or test is identified in the issue; done means Google sign-in completes without the reported immediate error and the related Firebase service timeouts are resolved.