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I am getting error 14004: Client Schema Version incompatible.

  • Answer ID 518
  • Published 07/06/2006 12:05 PM
  • Updated 10/20/2013 06:41 AM
  • Permalink

If you are using the SOAP API, you must specify the <Version> tag in your SOAP request. If this tag is missing from your SOAP request, you will see the following error in the SOAP Response.

<?xml version="1.0" encoding="utf-8"?>
<soapenv:Envelope xmlns:soapenv="" xmlns:xsd="" xmlns:xsi="">
<faultcode xmlns:ns1="">ns1:Client</faultcode>
<faultstring>Error. Client Schema Version incompatible.</faultstring>
<DetailedMessage>Error. Client Schema Version incompatible. Client Schema Version: null. Minimum eBay Schema Version supported: 347.</DetailedMessage>

In order to fix this error message, please send in the Version tag in your SOAP request. For example, a GetSearchResultsRequest should look like:

<?xml version="1.0" encoding="utf-8"?>
<soapenv:Envelope xmlns:soapenv="" xmlns:xsd="" xmlns:xsi="">
<RequesterCredentials soapenv:mustUnderstand="0" xmlns="urn:ebay:apis:eBLBaseComponents">
<ebl:eBayAuthToken xmlns:ebl="urn:ebay:apis:eBLBaseComponents">x</ebl:eBayAuthToken>
<GetSearchResultsRequest xmlns="urn:ebay:apis:eBLBaseComponents">

For more details on the <Version> input tag, please see the eBay Web Services Guide at


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