# Fine tune with SFTTrainer

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**Category:** Intermediate\
**Created:** [December 28, 2023, 7:16pm UTC](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Ft%2Ffine-tune-with-sfttrainer%2F67311 "2023-12-28T19:16:32Z")\
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**Author:** ![nielsr](https://sea2.discourse-cdn.com/hellohellohello/user_avatar/discuss.huggingface.co/nielsr/32/39617_2.png) [@nielsr](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Fu%2Fnielsr)%5C
**Post date:** [June 12, 2024, 2:16pm UTC](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Ft%2Ffine-tune-with-sfttrainer%2F67311%2F8 "2024-06-12T14:16:06Z")

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That looks like an issue with data preparation. Are you using the tokenizer to prepare data for the model?

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