SAP Message VG209 - The current version has already been processed

Diagnosis
In processing an IDOC for a sales order change, the system hasdetermined that a more recent version of the change has already beenprocessed. A document can be overtaken by another in the communicationsnetwork when the line is overloaded and when the communication programis connected to another line.

Procedure
The IDOC cannot be transferred as it does not contain any actual data.