On this page, you will find more information about the most common causes and most relevant solutions for the MercadoLibre error '400 - File attached is empty'. Do you need help straight away? Visit our support page.
The Mercado Libre, Inc. documentation indicates that error code '400 - File attached is empty' is caused by the following problem: "Empty or null attachment".
Do you think there is another cause for this error? Let others know in the comments.