mujoco_py.builder.MujocoException: Unknown warning type Time = 0.0000.Check for NaN in simulation.

[COST-97]

Hello:
There are some bugs when I running "bash start.sh" or "bash start_humanoid.sh".
File "cymj.pyx", line 156, in mujoco_py.cymj.wrap_mujoco_warning.__exit__ File "cymj.pyx", line 77, in mujoco_py.cymj.c_warning_callback File "/home/amax/anaconda3/envs/sgrl/lib/python3.8/site-packages/mujoco_py/builder.py", line 368, in user_warning_raise_exception raise MujocoException(warn + 'Check for NaN in simulation.') File "/home/amax/anaconda3/envs/sgrl/lib/python3.8/site-packages/gym/envs/mujoco/mujoco_env.py", line 125, in do_simulation self.sim.step() File "/home/amax/anaconda3/envs/sgrl/lib/python3.8/site-packages/gym/envs/mujoco/mujoco_env.py", line 125, in do_simulation self.sim.step() mujoco_py.builder.MujocoException: Unknown warning type Time = 0.0000.Check for NaN in simulation. File "cymj.pyx", line 77, in mujoco_py.cymj.c_warning_callback File "/home/amax/anaconda3/envs/sgrl/lib/python3.8/site-packages/mujoco_py/builder.py", line 368, in user_warning_raise_exception raise MujocoException(warn + 'Check for NaN in simulation.') File "mjsim.pyx", line 126, in mujoco_py.cymj.MjSim.step File "mjsim.pyx", line 126, in mujoco_py.cymj.MjSim.step File "cymj.pyx", line 156, in mujoco_py.cymj.wrap_mujoco_warning.__exit__ mujoco_py.builder.MujocoException: Unknown warning type Time = 0.0000.Check for NaN in simulation. File "/home/amax/anaconda3/envs/sgrl/lib/python3.8/site-packages/mujoco_py/builder.py", line 368, in user_warning_raise_exception raise MujocoException(warn + 'Check for NaN in simulation.') mujoco_py.builder.MujocoException: Unknown warning type Time = 0.0000.Check for NaN in simulation. File "cymj.pyx", line 156, in mujoco_py.cymj.wrap_mujoco_warning.__exit__ File "cymj.pyx", line 77, in mujoco_py.cymj.c_warning_callback File "cymj.pyx", line 77, in mujoco_py.cymj.c_warning_callback File "/home/amax/anaconda3/envs/sgrl/lib/python3.8/site-packages/mujoco_py/builder.py", line 368, in user_warning_raise_exception raise MujocoException(warn + 'Check for NaN in simulation.') mujoco_py.builder.MujocoException: Unknown warning type Time = 0.0000.Check for NaN in simulation. File "/home/amax/anaconda3/envs/sgrl/lib/python3.8/site-packages/mujoco_py/builder.py", line 368, in user_warning_raise_exception raise MujocoException(warn + 'Check for NaN in simulation.') mujoco_py.builder.MujocoException: Unknown warning type Time = 0.0000.Check for NaN in simulation. mujoco_py.builder.MujocoException: Unknown warning type Time = 0.0000.Check for NaN in simulation. __