I accidentally created a subtask this morning, making a task (originally an email) into a subtask of another (also originally an email). I've tried to correct this, but can't. The Help screen says to drag it to the bottom of the task list to undo it's being a subtask, but clearly, that can't work since as soon as I drag it a fraction of an inch below the other tasks in the list, the null symbol appears, indicating nothing will change if I drop it there. The only thing I can do is interchange the parent task and the subtask by dragging the parent just below the sub. Then they switch locations. I even created a dummy task to drag the subtask below, hoping I could trick GW, but that doesn't work either.

This needs to be fixed. It makes subtasks virtually useless.