- Error Code 21917158 

Short Message - A payment method has to be set up so you can continue to sell on eBay.

Long Message - We noticed that you don't have a payment method set up with your eBay account. As soon as you take care of this, you'll be able to list more items. 

Explanation and Resolution:

One of the reasons, that could trigger this error is when eBay are having any issues with using the existing payment method for the particular eBay account and you can check the eBay settings in order to see if the automatic payment method has already been set correctly or see if any details might need to be updated or confirmed.