Erro no debug do projeto

[ghost]

Prezados,

Estou com esse erro ao tentar fazer o debug do meu projeto:
Nao consigo achar uma solução,

FAILURE: Build failed with an exception.

• Where:
  Script 'C:\src\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 407

• What went wrong:
  A problem occurred configuring project ':cloud_firestore'.

Failed to notify project evaluation listener.
Could not get unknown property 'android' for project ':cloud_firestore' of type org.gradle.api.Project.
Could not get unknown property 'android' for project ':cloud_firestore' of type org.gradle.api.Project