HTTP 500: Internal Server Error

[Sarthak Agarwal]

Error: HTTP 500: Internal Server Error (Error in Authenticator.pre_spawn_start: DockerError DockerError(400, 'no such image: None: invalid reference format: repository name must be lowercase'))

Commands used:

install Docker

sudo apt update && sudo apt install -y apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository -y "deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable"
sudo apt update && sudo apt install -y docker-ce

pull the repo2docker image

sudo docker pull quay.io/jupyterhub/repo2docker:main

install TLJH

curl https://raw.githubusercontent.com/jupyterhub/the-littlest-jupyterhub/master/bootstrap/bootstrap.py
| sudo python3 -
--admin test:test
--plugin git+https://github.com/plasmabio/tljh-repo2docker@master

[Sparrow Lara]

same here

[avianllc]

Same here...