# ValueError when running rt-detrv2 using Trainer

**URL:** <https://discuss.huggingface.co/t/valueerror-when-running-rt-detrv2-using-trainer/140327>\
**Category:** 🤗Transformers\
**Created:** [February 11, 2025, 9:20pm UTC](https://discuss.huggingface.co/t/valueerror-when-running-rt-detrv2-using-trainer/140327 "2025-02-11T21:20:37Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![zzzz567](https://avatars.discourse-cdn.com/v4/letter/z/bbce88/32.png) [@zzzz567](https://discuss.huggingface.co/u/zzzz567)\
**Post date:** [February 11, 2025, 9:20pm UTC](https://discuss.huggingface.co/t/valueerror-when-running-rt-detrv2-using-trainer/140327/1 "2025-02-11T21:20:37Z")

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Hi,

I am getting a ValueError when running the rt-detrv2 fine tuning implementation from HuggingFace.

See this [topic](https://discuss.huggingface.co/t/potential-bug-in-the-rt-detr-v2-fine-tune-script/139774) for more info on the error.

Thank you for your help