Detectron2 Cannot find field 'gt_masks' in the given Instances!

[gamikasa]

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• I have searched the Roboflow Notebooks issues and found no similar bug report.

Notebook name

Train Detectron2 Segmentation on Custom Data

Bug

Environment

-Google Collab

Minimal Reproducible Example

AttributeError Traceback (most recent call last)
in <cell line: 3>()
1 trainer = DefaultTrainer(cfg)
2 trainer.resume_or_load(resume=False)
----> 3 trainer.train()

12 frames
/usr/local/lib/python3.10/dist-packages/detectron2/structures/instances.py in getattr(self, name)
64 def getattr(self, name: str) -> Any:
65 if name == "_fields" or name not in self._fields:
---> 66 raise AttributeError("Cannot find field '{}' in the given Instances!".format(name))
67 return self._fields[name]
68

AttributeError: Cannot find field 'gt_masks' in the given Instances!

Additional

No response

Are you willing to submit a PR?

• Yes I'd like to help by submitting a PR!

[github-actions]

👋 Hello @gamikasa, thank you for leaving an issue on Roboflow Notebooks.

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