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It's a little difficult to tell without being able to see the workflow. If that's not possible to share then one thing that may help is showing both the settings for the macro once it's dragged out into the main workflow and the Macro Input tool within the macro itself.
It looks like you've created a batch macro, but didn't include a control parameter within the macro itself. The ¿ input has a connection in the main workflow, but you don't have a corresponding Control parameter inside the macro. From the image you provided it looks like your logic doesn't use a control parameter, so you can probably change the macro type from Batch to Standard