Why would this command

Do Form pdm_edcn_form2
ThisForm.Release

Generate this error?

Error Message from Drawing PDM. - 01/08/2004 05:44:30 PM - GAINTX17 # sde
16
Message 1: Unrecognized command verb.
Message 2: Do Form pdm_edcn_form2
Program: FORM1.COMMAND1.CLICK
Line No: 1