Hi,
Without a single screenshot it won't be easy to help you, whatever the answer should be concentrated in this line :
<Element ID="ToolbarField"
X="778" Y="1000"
Width="1940" Height="256">
From your numbers it looks like you're using a multi screens display, being 3496 pixels width, is it the case ?
If not, reduce X value.... and the width value too, because it is not very common to have a toolbar more length than a full hd screen