Login Error: There is an error in logging you into this application. Please try again later. Android

I am facing this issue while, trying to login with Facebook application.
I checked the hashkey, that was correct and generated as per the article of Android facebook SDK.

Ionic:

Ionic CLI : 5.3.0 (D:\Projects\node_modules\ionic)
Ionic Framework : ionic-angular 3.9.2
@ionic/app-scripts : 3.2.4

Cordova:

Cordova CLI : 10.0.0
Cordova Platforms : android 8.1.0
Cordova Plugins : cordova-plugin-ionic-webview 1.2.1, (and 11 other plugins)

Utility:

cordova-res : 0.6.0 (update available: 0.8.1)
native-run : 0.2.8 (update available: 0.2.9)

System:

Android SDK Tools : 26.1.1 (D:\Android\Sdk)
NodeJS : v10.16.3 (C:\Program Files\nodejs\node.exe)
npm : 6.11.3
OS : Windows 10

Please advise