Experiencing order submission failures on AllChinaBuy? This comprehensive guide explains frequent error messages like "Invalid Link," "Product Unavailable," or "System Error," along with step-by-step troubleshooting methods tailored for users searching "can't place order," "failed checkout," or "link rejected."

1. "Invalid Link" Error

Symptoms:

Solutions:

  • Refresh the product page and re-copy the URL (special characters may break links)
  • Avoid shortened links – use full product URLs starting with https://www.allchinabuy.com/
  • Check if the link contains promotional codes not supported by AllChinaBuy

2. "Product Unavailable" Error (Code: ACB-404)

Symptoms:

Solutions:

  • Search for the product name to verify stock status
  • Contact seller via store page to confirm availability
  • Try switching product variants (size/color may be out of stock)

3. "System Error" (Code: ACB-500)

Symptoms:

Solutions:

  • Wait 5 minutes and refresh – often resolves during peak traffic
  • Clear browser cache/cookies (Ctrl+Shift+Del
  • Switch browsers (Chrome/Firefox recommended)
  • Disable VPN services if enabled

4. Multiple Order Attempts

Case A: Message shows "Duplicate Order Detected"

Solution:

Case B: Direct Bank Transfer Failure (Personal sellers only)

Solution:

  • Account name exactly
  • Transaction amount doesn’t exceed platform limits (50,000¥ daily)

Prevention Tips

  • Bookmark products
  • Enable 2FA
  • Update the App

Need Further Help?

All ChinaBuy's official support responds fastest via:

Include this information for faster resolution:

  1. Screenshot of error code
  2. Order number (starts with ACB)
  3. Payment method used