I'm implementing an update operation for our integration and when I attempt a PUT operation I get the following error: This entry already exists in batch SERVO. Here's the raw request: PUT ~/sdata/masapp/mascontract/abc/SO_InvoiceHeader('0100117') HTTP/1.1 Authorization: Basic ~ Content-Type: application/atom+xml;type=entry Host: ~ Content-Length: 1008 0100117 2015-07-02T21:39:58 01 BRESLIN 2015-07-02T21:39:58 TEMP 0 11 I've tried this request in several different configurations, with/without a batchno specified, as a POST, using SO_InvoiceHeaderSPECIAL and using just SO_InvoiceHeader. The error message is always the same. In a previous version of our software our integration was able to change the batch of the invoice (but it didn't use SData). My question is: Is there anyway to change the batch or modify the Invoice header after a POST using SData? Thanks, Vinnie
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