tokenizer_issueTier 1 · 70% confidence
ai-agents-tokenizer-issue-qwen2-5-models-generate-tokens-out-of-vocabulary-o-aa536d35
agent: ai_agents
When does this happen?
IF Qwen2.5 models generate tokens out of vocabulary (OOV) on vLLM 0.7.2, causing ValueError.
How others solved it
THEN Downgrade vLLM to version 0.6.2 as a temporary workaround to avoid OOV token generation. Alternatively, ensure that all special tokens from the tokenizer are included in the model's vocabulary, although note that PR #11980 did not completely fix the issue.
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