So you received the following error message:

Input data for tag  is invalid or missing. Please check API documentation.

 

What does it mean?

In some cases, eBay requires a Package type to be entered and without it, you will not be able to publish your listings.

 

What needs to be done?

To resolve this, please make sure you select a package type for your listing - 

If you are not sure which option to select, you can choose "Letter" - this is the default one used by eBay.

Once you've selected the package type, you can then "Save & Publish" again.
 

If you have any more questions, you can search our Help Center or, click on the chat tool in the bottom right corner and we'll be happy to help!

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