If you installed the plugin for the first time, then you need to create at least one attribute set, that contains all required product attributes.

You can do that by navigating to your Importer specific settings and choosing the action "Create suitable attribute set with name Eabi_EE"


Make sure to click on the "Show current status", then you will have an overview if the attribute set creation started to run and if it ran successfully.

Once you have created the attribute set, then flush Magento Cache storage and you can continute setting up the importer as usual.


If you need all your attribute sets to be compatible with the importer, then you need to add the required product attributes to each set manually and then flush the Magento cache storage after that.