Confusion about papers “RL CQL” and “Cal-QL: Calibrated Offline RL Pre-Training for Efficient Online Fine-Tuning”

I recently read papers, including “Conservative Q-Learning for Offline Reinforcement Learning” and “Cal-QL: Calibrated Offline RL Pre-Training for Efficient Online Fine-Tuning”.

Why does this error occur and the table is not created?

code:

Why does this error occur and the table is not created?

code: