[rllib] Action space MultiDiscrete([11 5 1 2]) is not supported for DQN

[linshuxi]

What happened + What you expected to happen

I get some error: Action space MultiDiscrete([11 5 1 2]) is not supported for DQN.

Versions / Dependencies

ray: 2.6.3

Reproduction script

from ray.rllib.algorithms.dqn import DQNConfig algo = DQNConfig().framework("torch").environment(env = myenv).multi_agent( policies={ "A":(None, a.observation_space, a.action_space, {"gamma": 0.80}), "B":(None, a.observation_space, a.action_space, {"gamma": 0.80}) }, policy_mapping_fn = lambda agent_id: f"{agent_id}",

).build()

Issue Severity

None

[ChenJiangxi]

I am experiencing the same problem. May I ask how you solved it?