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I am getting error 10026 on ReviseItem call as below:
<?xml version="1.0" encoding="UTF-8" ?>
There are a few restrictions on revising an item's Duration. The ReviseItem validation criteria are:
For fixed-price lisings, you can't change Item.ListingDuration if there is one object of the listings has been sold.
For action type listings, you can't change the Item.ListingDuration if there is either a bid or the listing is ending within 12 hrs.