warning: can't grab the keyboard

[Manuel Jimenez Romero]

I installed the current version of Lesstif. Before that, I had version 88.
Now, I am getting the following warning message when I ran my application (I
did not had this warning on the old version):

Warning:
        Name: MySubmenuOption
        Class: XmRowColumn
        Can't grab the keyboard

and the same one but with pointer instead of keyboard.

The code is big, so I will try to explain the situation:

The submenu option creates a shell (myShell). The shell is the parent of a bulletin 
board 
who is the parent of a PromptDialog (myDialog). 
myDialog has a radio box. What I intend to do is to wait until a radio button
and a button (OK, CANCEL, etc) is pressed. I do that using a while instruction:
while (selectedButton==NO_SELECTION_YET || XtAppPending(context)
        {
        display = XtDisplay(parent);
        window = XtWindow(parent);
        HandleEvent(context, display, window, atomName);
        }

I would like to get rid of the warning message. I do not use any rowcolumn
widget.
Thanks for your help.