Build all fails first time on ant clean

[dblock]

  BUILD FAILED
  C:\Users\dblock\source\waffle\dblock\Source\JNA\build.xml:28: The following error occurred while executing this line:
  C:\Users\dblock\source\waffle\dblock\Source\JNA\build.xml:4: The following error occurred while executing this line:
  C:\Users\dblock\source\waffle\dblock\Source\JNA\waffle-jna\build.xml:5: The following error occurred while executing
  this line:
  C:\Users\dblock\source\waffle\dblock\Source\JNA\build\build.xml:6: Missing product.version

  Total time: 1 second
C:\Users\dblock\source\waffle\dblock\Waffle.proj(39,5): error MSB3073: The command "ant clean" exited with code 1.
Done Building Project "C:\Users\dblock\source\waffle\dblock\Waffle.proj" (all target(s)) -- FAILED.


Build FAILED.

"C:\Users\dblock\source\waffle\dblock\Waffle.proj" (all target) (1) ->
(clean target) ->
  C:\Users\dblock\source\waffle\dblock\Waffle.proj(39,5): error MSB3073: The command "ant clean" exited with code 1.

    0 Warning(s)
    1 Error(s)

[hazendaz]

Closing this issue as project is being converted to maven so this no longer applies.