ExecutionReport with properly configured additional field is erroneously rejected

[ghost]

It's very easy to reproduce.

1. Edit the FIX42.xml file and add field 204 ("CustomerOrFirm") to message type 8 ("ExecutionReport"). Make required = Y so it will show up in the GUI.
2. Configure an initiator and an acceptor to use one FIX42 session. Connect them.
3. From the acceptor, send an ExecutionReport. Make sure to correctly populate all of the fields, including CustomerOrFirm.

The initiator will REJECT the message, and the acceptor shows this:

8=FIX.4.2
9=123
35=3
34=187
49=INIT
52=20150423-17:28:03.937
56=ACCEPT
45=188
58=Tag not defined for this message type
371=204
372=8
373=2
10=130

My quickfix.cfg file for the initiator looks like this:

[default] FileStorePath=data/messenger/initiator FileLogPath=log/initiator ConnectionType=initiator SenderCompID=INIT TargetCompID=ACCEPT SocketConnectHost=localhost StartTime=00:00:00 EndTime=00:00:00 HeartBtInt=30 ReconnectInterval=5

[session] BeginString=FIX.4.2 SocketConnectPort=9876

quickfix.cfg for the Acceptor looks like this:

[default] FileStorePath=data/messenger/acceptor FileLogPath=log/acceptor ConnectionType=acceptor SenderCompID=ACCEPT TargetCompID=INIT SocketConnectHost=localhost StartTime=00:00:00 EndTime=00:00:00 HeartBtInt=30 ReconnectInterval=5

[session] BeginString=FIX.4.2 SocketAcceptPort=9876

I am on:

java -version java version "1.7.0_65" OpenJDK Runtime Environment (fedora-2.5.2.5.fc20-x86_64 u65-b17) OpenJDK 64-Bit Server VM (build 24.65-b04, mixed mode)

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