Agreed, but since the error isn't critical in this case it's easier to just remove the strict warnings since I don't need them.
Just thought I would make you aware that any errors thrown causes this behavior.
Switching on debug mode enables PHP errors (Obviously :P)
But some of these errors throw off the AJAX requests in admincp. Template rebuilding dosen't work (An error occoured or the request was cancelled), and various JS based options (Like disabling Template Modifications) work but show an...