[▲ Vercel Community](/) · [Categories](/categories) · [Latest](/latest) · [Top](/top) · [Live](/live) [Help](/c/help/9) # Vercel subdomain [hack4bug.vercel.app](https://hack4bug.vercel.app) unavailable after deleting project 25 views · 0 likes · 3 posts 1234567890291 (@1234567890291) · 2026-02-22 _I deleted a project that previously had the subdomain `hack4bug.vercel.app` assigned to it. I would like to reassign this subdomain to a new project, but it shows as unavailable. Please release `hack4bug.vercel.app` so I can use it again._ system (@system) · 2026-02-22 The domain troubleshooting guide can help with most custom domain configuration issues. You might be able to use that guide to solve it before a human is available to help you. Then you can come back here and share the answer for [bonus points](https://community.vercel.com/t/introducing-the-vercel-leaderboard/1358). [https://vercel.com/docs/projects/domains/troubleshooting](https://vercel.com/docs/projects/domains/troubleshooting) You can also use [v0](https://v0.dev/) to narrow down the possibilities. Anshuman Bhardwaj (@anshumanb) · 2026-02-23 Hi @1234567890291, welcome to the Vercel Community! The [https://hack4bug.vercel.app/](https://hack4bug.vercel.app/) domain seems to be active. Is this not your project?