Creating Pages deployment failed

HttpError: Not Found at /home/runner/work/_actions/actions/deploy-pages/v1/webpack:/deploy-pages/node_modules/@octokit/request/dist-node/index.js:86:1 at processTicksAndRejections (node:internal/process/task_queues:96:5) at createPagesDeployment (/home/runner/work/_actions/actions/deploy-pages/v1/webpack:/deploy-pages/src/api-client.js:116:1) at Deployment.create (/home/runner/work/_actions/actions/deploy-pages/v1/webpack:/deploy-pages/src/deployment.js:59:1) at main (/home/runner/work/_actions/actions/deploy-pages/v1/webpack:/deploy-pages/src/index.js:30:1)

Error: Failed to create deployment (status: 404) with build version f8cbb164cf537614ac2a81fd65f31edc1eb248d9. Ensure GitHub Pages has been enabled: https://github.com/XintaoYu/Abstract-Algebra-in-Lean/settings/pages

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/upload-artifact@v3, actions/deploy-pages@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

Environment URL '' is not a valid http(s) URL, so it will not be shown as a link in the workflow graph.