Conflict in generating model

i am getting same error while generating model can anyone help me with this

[Generating build script…
Generating build script completed, took 561ms

Precompiling build script…
Precompiling build script… completed, took 9.0s

Initializing inputs
Building new asset graph…
Conflicting outputs
Both realm_dart:realm_generator and realm:realm_generator may output test/widget_test.realm_objects.g.part. Potential outputs must be unique across all builders.