On this page, you will find more information about the most common causes and most relevant solutions for the booking error '2003'. Do you need help straight away? Visit our support page.
The property or element  is or contains data that is invalid/unrecognizable in this model. This error means that the format of Product API Request message is incorrect.
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We've created a list of solutions which you can follow if you want to solve this booking problem yourself. Do you need more help? Visit our support page if you need professional support with booking right away.
Please contact your DEV team to confirm specified element against Expedia Public specification.