BAD_REQUEST when creating channel, orderer.js about caliper HOT 4 CLOSED

Please try to stop and remove all fabric containers first, then run the test again.

docker stop $(docker ps -aq)
docker rm $(docker ps -aq)

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Thank you @haojun that saved me.
I had to write sudo in front of docker though, so these are the commands I had to run:

sudo docker stop $(sudo docker ps -aq)
sudo docker rm $(sudo docker ps -aq)

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@jamievaravara To avoid sudo with docker, follow these steps.

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Thank you very much @aklenik

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