I would like to delete a pagalayout from sharepoint, but i get the exception "This item cannot be deleted because it is still referenced by other pages". When i open the "content and sructure" view, select the layout page and press the button "show related ressources" i can see that the layout is used by a page. But this page does not exist.

I cleared the personal and sitecollection recycle bin to make sure no deleted version of the page exists. I also did a search on the contentdb and there i found a record with leafname = "CodesTest.aspx" in table "AllDocs".
But the question is - where is this page (CodeTest.aspx) and how can i get rid of it so i can delete the pagelayout?
Thanks for you help!
Kind regards