Common Error Messages on the Consumer Service (CS) Portal

Error message	Meaning	What to do
Could not load the postal services	Carrier list failed.	Retry.
Please add business units	Required business units are missing.	Add units.
Please add at least one Client‑FlowKey mapping	Mapping missing.	Add mapping.
Error updating/creating the portal	Portal failed to save.	Retry.
Error finding portals	Portal search failed.	Retry later.
Could not load client details	Client lookup failed.	Retry.
Please select a reason for return	Reason not selected.	Choose one.
Please describe the reason for the return	Missing explanation.	Add text.
Please input all item information	Missing item data.	Fill item details.
Article is required	Missing article.	Provide an article.
EAN is not valid	EAN incorrect.	Provide valid EAN.

Below is a list of common error messages that may appear across the Consumer Service (CS) Portal. Each entry includes a short explanation of what the message means and the action required to resolve it