KeyError: 'answer'

[lucasjinreal]

File "/root/.local/lib/python3.12/site-packages/vlmeval/dataset/image_mcq.py", line 181, in evaluate answer_map = {i: c for i, c in zip(meta['index'], meta['answer'])} ~~~~^^^^^^^^^^ File "/root/miniconda3/lib/python3.12/site-packages/pandas/core/frame.py", line 4090, in getitem indexer = self.columns.get_loc(key) ^^^^^^^^^^^^^^^^^^^^^^^^^ File "/root/miniconda3/lib/python3.12/site-packages/pandas/core/indexes/base.py", line 3812, in get_loc raise KeyError(key) from err KeyError: 'answer'

Hello, how to resolve this issue when eval on MME