Diagnosis
You tried to move the element to a position at which it would havecollided with the border of the screen in its present size.

System Response
The element remains at its original position.

Procedure
Move the element so that it does not collide with the border of thescreen.
Enlarge the screen by increasing the number of maintenance lines and/orcolumns in the screen attributes.
Alternatively, you can change the screen size by dragging the screenborder to a new size. You may need to enlarge the graphical layouteditor screen before doing this.