Converting object to an encodable object failed

[piyastk]

flutter: Converting object to an encodable object failed: _Map len:1.

while i am submitting json , i am getting this error. any solution on this ?)

[dshukertjr]

Could you provide a sample code that you ran that got you this error that you are facing? My guess is that you tried to pass a JSON encoded string to the .insert() method, but this is not necessary, and you should just pass a Map to the method in order to insert or update data.