A list of attributes available for the selection in M2E Pro includes only Text Field / Price Type...
#product attribute
Convert Magento Price Attribute is a feature allowing automatic conversion of Magento Price Attri...
#price
#product attribute
If you want to set the eBay category from a custom attribute, you should perform the next actions...
#category
#product attribute
Make sure that Magento Attributes, selected in the Item Specifics, contains valid values.
Rev...
#category
#item specifics
#product attribute
The error occurs if you use a Custom Attribute to specify some of Specifics and this Attribute is...
#product attribute
#shipping
#shipping cost