Alex just got a word form JTS that a problem is with a "Spencer" cavalry weapons - they were incorporated into the OOB files but not into PDT files. If they are having similar problem they should contact JTS Support.
Once you get these files, you will copy the .pdt files into DATA folder in your game and to replace the current ones.
I attached these files below:
Attachment:
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Maj. Gen., L. D. Drummond,
Commanding, III Division, XVI Corps
Army of the Tennessee, U.S. Army"We can make war so terrible and make them so sick of war that generations pass away before they again appeal to it."
William Tecumseh Sherman