AttributeError: 'ReacherMILEnv' object has no attribute 'viewer'

[HongminWu]

Traceback (most recent call last):
File "/home/user/gym-mil/gym/core.py", line 203, in del
self.close()
File "/home/user/gym-mil/gym/core.py", line 164, in close
self.render(close=True)
File "/home/user/gym-mil/gym/core.py", line 150, in render
return self._render(mode=mode, close=close)
File "/home/user/gym-mil/gym/envs/mujoco/mujoco_env.py", line 104, in _render
if self.viewer is not None:
AttributeError: 'ReacherMILEnv' object has no attribute 'viewer'

What makes this error?
Hope some tips,thanks.

[daiyk]

Try a different version of mujoco, it seems like your mujoco has a problem

[tuonan]

Hi.Do you solve this problem?