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[GH-ISSUE #5023] DeepSeek-V2-Lite-Chat - ERROR [validate_model_chat_template] The chat template comes with this model is not yet supported #28940

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opened 2026-04-22 07:30:03 -05:00 by GiteaMirror · 1 comment
GiteaMirror commented 2026-04-22 07:30:03 -05:00
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Originally created by @OldishCoder on GitHub (Jun 13, 2024).
Original GitHub issue: https://github.com/ollama/ollama/issues/5023

What is the issue?

When I load DeepSeek-V2 I see this message:
ERROR [validate_model_chat_template] The chat template comes with this model is not yet supported, falling back to chatml. This may cause the model to output suboptimal responses | tid="139815279423488" timestamp=1718280244

I do not know if it's related, but on inference the model sometimes, randomly (?), starts generating exclusively in Chinese, even if I ask it to generate the response in English.

OS

WSL2

GPU

Nvidia

CPU

Intel

Ollama version

git HEAD from June 11, 2024

Originally created by @OldishCoder on GitHub (Jun 13, 2024). Original GitHub issue: https://github.com/ollama/ollama/issues/5023 ### What is the issue? When I load DeepSeek-V2 I see this message: `ERROR [validate_model_chat_template] The chat template comes with this model is not yet supported, falling back to chatml. This may cause the model to output suboptimal responses | tid="139815279423488" timestamp=1718280244` I do not know if it's related, but on inference the model sometimes, randomly (?), starts generating exclusively in Chinese, even if I ask it to generate the response in English. ### OS WSL2 ### GPU Nvidia ### CPU Intel ### Ollama version git HEAD from June 11, 2024
GiteaMirror added the bug label 2026-04-22 07:30:03 -05:00
GiteaMirror commented 2026-04-22 07:30:06 -05:00
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@jmorganca commented on GitHub (Jun 13, 2024):

Hi @OldishCoder this won't affect inference since templating happens ahead of the request being sent down this codepath. Will work on making sure this error doesn't show up

<!-- gh-comment-id:2166191001 --> @jmorganca commented on GitHub (Jun 13, 2024): Hi @OldishCoder this won't affect inference since templating happens ahead of the request being sent down this codepath. Will work on making sure this error doesn't show up
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Reference: github-starred/ollama#28940
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