[2025-12-04 22:10:40] Scheduler hit an exception: Traceback (most recent call last):
  File "/sglang/python/sglang/srt/managers/scheduler.py", line 2679, in run_scheduler_process
    scheduler.event_loop_normal()
  File "/spec/lib/python3.11/site-packages/torch/utils/_contextlib.py", line 120, in decorate_context
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^
  File "/sglang/python/sglang/srt/managers/scheduler.py", line 980, in event_loop_normal
    result = self.run_batch(batch)
             ^^^^^^^^^^^^^^^^^^^^^
  File "/sglang/python/sglang/srt/managers/scheduler.py", line 2034, in run_batch
    batch_result = self.model_worker.forward_batch_generation(
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/sglang/python/sglang/srt/speculative/eagle_worker.py", line 295, in forward_batch_generation
    self.verify(batch, spec_info)
  File "/sglang/python/sglang/srt/speculative/eagle_worker.py", line 701, in verify
    vocab_mask = generate_token_bitmask(
                 ^^^^^^^^^^^^^^^^^^^^^^^
  File "/sglang/python/sglang/srt/speculative/spec_utils.py", line 654, in generate_token_bitmask
    traverse_tree(
  File "/sglang/python/sglang/srt/speculative/spec_utils.py", line 620, in traverse_tree
    dfs(0, retrieve_next_token, retrieve_next_sibling, -1)
  File "/sglang/python/sglang/srt/speculative/spec_utils.py", line 600, in dfs
    dfs(
  File "/sglang/python/sglang/srt/speculative/spec_utils.py", line 597, in dfs
    grammar.fill_vocab_mask(allocate_token_bitmask, curr)
  File "/sglang/python/sglang/srt/constrained/reasoner_grammar_backend.py", line 69, in fill_vocab_mask
    self.grammar.fill_vocab_mask(vocab_mask, idx)
  File "/sglang/python/sglang/srt/constrained/xgrammar_backend.py", line 100, in fill_vocab_mask
    self.matcher.fill_next_token_bitmask(vocab_mask, idx)
  File "/spec/lib/python3.11/site-packages/xgrammar/matcher.py", line 308, in fill_next_token_bitmask
    return self._handle.fill_next_token_bitmask(bitmask, index, debug_print)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
RuntimeError: [22:10:40] /project/cpp/grammar_matcher.cc:556: Check failed: (!IsStopTokenAccepted()) is false: GrammarMatcher has terminated after accepting the stop token, but is trying to find the next token mask