Preview deployments stuck in UNKNOWN/BLOCKED state before build starts

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1

Title:
Preview deployments stuck in UNKNOWN/BLOCKED state before build starts

Body:
Hello,

I am experiencing an issue with my Vercel project where all new Preview Deployments remain stuck in UNKNOWN/BLOCKED state before the build starts.

Project:
unwanalater/unwanalatrdigitalplatform-qq3e

Project ID:
prj_59feIkoHSfrcGLS2itfRpvPqs8Jz

Team ID:
team_SPMbRXzAnKsyUF2CHBn3DBN5

Git repository:
najeebhtamy3w-dev/unwanalatrdigitalplatform

Current Production Deployment:
unwanalatrdigitalplatform-qq3e-ge1nzixhh-unwanalater.vercel.app
Status: Ready

Symptoms:

  • New Preview Deployments show status UNKNOWN
  • No build duration
  • No build logs
  • Some deployment records return 404/not_found
  • Manual CLI deployment returns:
    • fetch failed
    • Upload aborted
    • This operation was aborted
    • Not authorized

What I already verified:

  • GitHub integration is connected correctly
  • I disconnected and reconnected the Git repository
  • Require Verified Commits is disabled
  • Environment variables are configured
  • vercel pull --environment=preview succeeds
  • vercel build succeeds completely
  • .vercel/output is generated successfully
  • Production remains healthy
  • New Git-triggered Preview Deployments still remain UNKNOWN/BLOCKED

Recent affected deployment IDs:
dpl_E811V8CA9UtpELkRpzDw5fy7qaW1
dpl_D2UCa4pdg2bHrNQ8NwLUNwRhAzjh

Recent affected preview aliases:
kfbhiblku
9tfclkn0k
ljhrgijf4
eb40t3g6f
d547k9hl7
qvpuuqiyz
pnsjinach

Vercel Support AI indicated that the deployments are stuck in a BLOCKED state in the platform pipeline.

Has anyone experienced this before, or can a Vercel team member help inspect the project deployment pipeline?

Thank you.

2

There’s another community post with 404 debugging tips that might be helpful. Please give these solutions a try and let us know how it goes.

A human should be around soon to offer more advice. But you can also get helpful information quickly by asking v0.