I am using Autodesk Maya 2018 with CoD Tools 2.9, when I attempt to export my player model, it comes up with this error screen:
An unhandled error occurred during export:

Traceback (most recent call last):
  File "C:Users/pc/Documents/maya/2018/scripts\CoDMayaTools.py", line 2855, in GeneralWindow_ExportSelected
    exec("response = %s(\"%s\")" % (OBJECT_NAMES[windowID][4], filePath))
  File "<string>", line 1, in <module>
  File "C:Users/pc/Documents/maya/2018/scripts\CoDMayaTools.py", line 1239, in ExportXModel
    ExportMeshData(joints[0], xmodel, merge_mesh)
  File "C:Users/pc/Documents/maya/2018/scripts\CoDMayaTools.py", line 1371, in ExportMeshData
    cmds.progressBar(OBJECT_NAMES['progress'][0], edit=True, maxValue = progressInfo)
RuntimeError: Maximum value must be greater than minimum value.