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Why does AddMemberMessageRTQ give me an 'Invalid parent message' error?

  • Answer ID 1315
  • Published 04/23/2015 12:10 AM
  • Updated 04/23/2015 12:10 AM
  • Permalink https://ebaydts.com/eBayKBDetails?KBid=1315
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I'm trying to respond to a user's question using AddMemberMessageRTQ.  I've used GetMyMessages to retrieve the message ID of the message I want to respond to and supplied that in the AddMemberMessageRTQ 'ParentMessage' field.  Why do I keep getting an 'Invalid Parent Message Id' (17453) error?

The problem is that the MessageID returned by GetMyMessages is not the right ID to use for the ParentMessageID of AddMemberMessageRTQ.  Instead, you should use the ExternalMessageID (also returned by GetMyMessages) parameter as the ParentMessageID parameter of AddMemberMessageRTQ. 

Alternately, GetMemberMessages also returns a field called MessageID.  This value can also be used as the ParentMessageID in AddMemberMessageRTQ.  The ExternalMessageID returned by GetMyMessages and the MessageID returned by GetMemberMessages are the same value.


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