Error3 reports
Fix NotImplementedError
in vLLM
✅ Solution
This error typically occurs in vllm. Check the example issues for common solutions.
Related Issues
Real GitHub issues where developers encountered this error:
[RFC]: fp8 KV cache for the Ampere sparse-MLA path (TRITON_MLA_SPARSE) via software dequantJul 11, 2026
[Bug]: Gemma4 dense NVFP4 (nvidia/Gemma-4-31B-IT-NVFP4) fails on v0.24.0 with NotImplementedError in quant_method.tie_weights (lm_head/embed_tokens weight tying)Jul 10, 2026
[RFC]: Standardize vLLM Entrypoint Error HandlingJul 10, 2026
Timeline
First reported:Jul 10, 2026
Last reported:Jul 11, 2026