Unhandled Exception type Map (String, dynamic) is not subtype of String? Flutter

Unhandled Exception type '_Map String dynamic ' is not a subtype of type String
Unhandled Exception: type '_Map String, dynamic' is not a subtype of type 'String?'
type 'string' is not a subtype of type 'map string, dynamic ' in type cast
The app used this

[Constantine..]

I understand correctly, you advise if it gives an error '_Map<String, dynamic>' is not a subtype of type 'String' just delete the data you return and return an empty string instead? )))) You'll have to tinker with getting information from an empty string, but in the rest it's just Brilliant! How did I not think of this before!

[chubynwoke]

Having it return an empty string did not solve the problem. There is no way to get the data that was mapped before. This is not a solution.

[richardcai]

I am getting this with firebase, I cant solve it "'_Map<Object?, Object?>' is not a subtype of type 'Map<String, dynamic>'"

[nguyenuccuong]

help : Exception has occurred.
_TypeError (type 'Null' is not a subtype of type 'Map<String, dynamic>' in type cast)

[kshitijsharma]

Let me summarize the video for you, if a piece of code gives an error, delete that code, problem solved.

[imdadullah]

how you manage to learn multiple technologies tip for learning a new technology fast

[joeyruz]

Not a real solution, why even post the video