DropdownOptionMissing
Message
Invalid selection in multiselect fields: The drop-down option is missing.
Description
As in Magento, there are also attributes in cobby whose content is predefined as a drop-down menu. This means that no individual new values can be entered there. If you try to enter an invalid value, the following message will appear:
Solution
To correct this error, select a valid value from the drop-down menu.