Customer Management Troubleshooting

Common Errors

"Email already registered"

Error Code: 409 Conflict
Cause: Email already exists in User table

Solution:

• Search existing customers to find duplicate
• Use existing customer account
• Contact user for different email if necessary

"Customer not found"

Error Code: 404 Not Found
Cause: Invalid customer ID or customer deleted

Solution:

• Verify customer ID is correct (UUID format)
• Check if customer was soft-deleted
• Refresh customer list

"Contact not found or does not belong to customer"

Error Code: 404 Not Found
Cause: Invalid contact ID or wrong customer

Solution:

• Verify contact belongs to selected customer
• Refresh contact list
• Check if contact was soft-deleted

"Cannot delete customer with active listings"

Error Code: 400 Bad Request
Cause: Customer has published or draft listings

Solution:

1. Navigate to customer detail page
2. Archive/delete all listings first
3. Then delete customer

Performance Issues

Slow customer list loading:

• Use search/filter to narrow results
• Reduce page size in pagination
• Contact admin if consistently slow

Contact selector lag:

• Use search to filter contacts
• Clear browser cache
• Upgrade browser to latest version