Common Issues
”Premium Required” Error
Symptom
Symptom
When trying to deploy, you see a message: “Deployment is a premium feature. Upgrade to deploy your applications.”
Solution
Solution
- Verify you have an active premium subscription
- Go to Account Settings → Billing
- If expired, upgrade your account
- Refresh the page and try again
Subdomain Already Taken
Symptom
Symptom
You see: “This subdomain is already taken. Please try another one.”
Solution
Solution
The subdomain is in use by another user or project. Try:
- Add numbers or hyphens:
myapp-2024,my-awesome-app - Use a more specific name:
portfolio-john,store-demo-v2 - Check for typos in your desired subdomain
- Use the Check button to test availability before deploying
Invalid Subdomain Format
Symptom
Symptom
Error: “Subdomain must be 3-63 characters, contain only lowercase letters, numbers, and hyphens…”
Solution
Solution
Ensure your subdomain:Examples:
- ✓
my-app - ✓
app123 - ✓
my-app-2024 - ✗
My-App(uppercase) - ✗
my_app(underscore) - ✗
-myapp(starts with hyphen)
Reserved Subdomain
Symptom
Symptom
Error: “This subdomain is reserved and cannot be used”
Solution
Solution
You’re trying to use a protected keyword. Choose a different name. Reserved words include:
- System:
api,www,app,admin - Development:
preview,webcontainer,staging,dev,test - Infrastructure:
cdn,static,assets
my-app, app-name, name-storeUnauthorized Error
Symptom
Symptom
“Only the owner can deploy this application” or “Unauthorized”
Solution
Solution
Deployment management is restricted to project owners only. If you need to deploy:
- Ask the project owner to deploy
- Fork the project to create your own copy
- Deploy your forked version with your own subdomain
Application Issues
Application Not Loading
Symptom
Symptom
The deployment succeeded but visiting the URL shows a loading screen or error
Solution
Solution
- Wait 30 seconds and refresh - initial deployment may take a moment
- Check if the application works in preview mode
- Try a different browser or incognito mode
- Clear your browser cache
- If the issue persists, try redeploying the same version
Features Not Working in Production
Symptom
Symptom
Application loads but certain features don’t work (API calls, integrations, etc.)
Solution
Solution
This usually happens with integrations:
- Go to the Integrations tab
- Verify integrations are enabled for this project
- Check that integration credentials are correct
- Generate a new version with
"fix integration issues" - Deploy the new version
Wrong Version Deployed
Symptom
Symptom
The deployed application doesn’t match your latest changes
Solution
Solution
Check which version is deployed:
- Go to Deployment tab
- Look at Version to Deploy dropdown
- The “(Currently Deployed)” label shows the active version
- Select your desired version and click Update Deployment
Deployment Process Issues
Deployment Stuck
Symptom
Symptom
The “Deploying…” message appears indefinitely
Solution
Solution
- Wait 2 minutes - sometimes it takes longer
- Refresh the page
- Check your internet connection
- Try deploying again
- If it continues, contact support with your project ID
Cannot Update Deployment
Symptom
Symptom
Update Deployment button is disabled or doesn’t appear
Solution
Solution
The button only appears when you make changes. Ensure:
- You’ve selected a different version than currently deployed, OR
- You’ve entered a different subdomain than current
- Your premium subscription is active
- You are the project owner
Undeploy Failed
Symptom
Symptom
Error when trying to undeploy application
Solution
Solution
- Refresh the page and try again
- Check your internet connection
- Verify you’re the project owner
- If error persists, the deployment may already be inactive
Browser-Specific Issues
SSL Certificate Error
Symptom
Symptom
Browser shows “Your connection is not private” or SSL certificate warning
Solution
Solution
This is rare but can happen:
- Wait a few minutes for SSL certificate provisioning
- Clear your browser’s SSL cache
- Try accessing via incognito/private mode
- If persists after 10 minutes, contact support
Mixed Content Warnings
Symptom
Symptom
Browser console shows “Mixed Content” errors
Solution
Solution
Your application is trying to load HTTP resources on an HTTPS page:
- Check for hardcoded
http://URLs in your code - Use relative URLs or
https://for all external resources - Generate a new version fixing these issues
- Redeploy the corrected version
Getting Additional Help
If you’ve tried these solutions and still have issues:Discord Community
Ask the community for help with deployment issues
Contact Support
Submit a support ticket from your account settings
Prevention Tips
Avoid common issues by following these practices:Test your application in preview mode before deploying
Use the Check button to verify subdomain availability
Keep your subscription active
Choose descriptive, unique subdomains
Test integrations before deploying
Deploy stable versions, not experimental changes

