The error (We're sorry, a problem has occurred at /Cart/CompleteCart) when manually inputting an order typically occurs when the cart completion process encounters validation failures, missing data, or system constraints during order processing. To resolve this issue, please review the steps below:
Check Cart and Required Information
Verify that your cart contains items.
Ensure all required fields are populated:
Client information is selected.
Order Number is unique (if manually entered).
Address details are complete.
Warehouse is specified.
Courier is selected.
Review product selections:
Confirm all products with options have selections made.
Verify product SKUs are valid and available.
Validate Order Details
Check for duplicate order numbers:
If using manual order numbers, ensure the number hasn't been used previously.
Consider using auto-generated order numbers to avoid conflicts.
Ensure product availability:
Check that all items are in stock at the selected warehouse.
Verify bundle products are properly configured.
Additional Troubleshooting
Remove any problematic items from the cart and re-add them.
Clear your browser cache and cookies.
Try completing the order using a different browser or device.
Ensure all mandatory product options are selected before proceeding.
By following these steps, you should be able to resolve the error and complete your cart successfully.