no firebase app ' default ' has been created flutter
By Natalie Bins at Jan 10 2021
[core/no-app] no firebase app '[default]' has been created - call firebase.initializeapp() "flutter"
By Emilio Bashirian at Sep 06 2020
[core/no-app] no firebase app '[default]' has been created - call firebase.initializeapp() flutter
By Joey Feeney at Aug 25 2020