type 'Null' is not a subtype of type 'String'

[utkarshshukla03]

Error showing in debug console
E/flutter ( 9425): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: type 'Null' is not a subtype of type 'String'
E/flutter ( 9425): #0 User.fromSnap
package:insta_clone/models/user.dart:26
E/flutter ( 9425): #1 AuthMethods.getUserDetails
package:insta_clone/resources/auth_methods.dart:19
E/flutter ( 9425):
E/flutter ( 9425): #2 UserProvider.refreshUser
package:insta_clone/providers/user_provider.dart:13
E/flutter ( 9425):
E/flutter ( 9425): #3 _ResponsiveLayoutState.addData
package:insta_clone/responsive/responsive_layout.dart:28
E/flutter ( 9425):

From user.dart
static User fromSnap(DocumentSnapshot snap) {
var snapshot = snap.data() as Map<String, dynamic>;
return User(
username: snapshot['username'],
uid: snapshot['uid'],
email: snapshot['email'],
photoUrl: snapshot['photoUrl'], (error putting here on ['photoUrl')
followers: snapshot['followers'],
following: snapshot['following'],
);
}

From auth_methods.dart
DocumentSnapshot documentSnapshot =
await _firestore.collection('users').doc(currentUser.uid).get();

return model.User.fromSnap(documentSnapshot); (error pointing here on fromSnap)

}
please help stuck here from last 1 week, i have tried solutions to solve that red screen problem, but after that it just showing cirular progess indicator, i have deleted users from database but after that too its showing errors.

[huutan3621]

I have the same problem too and don't know how to fix it

[utkarshshukla03]

I have the same problem too and don't know how to fix it

@huutan3621
Did you got solution?

[utkarshshukla03]

@huutan3621 @RivaanRanawat
Please reply!!!!!

[utkarshshukla03]

I have the same problem too and don't know how to fix it

@huutan3621 ????

[RivaanRanawat]

Same as #12