This simple little fieldtype will help you create urls based on the Structure site pages array. It simply grabs all the pages from you EE insallation, and shows it in a dropdown.
There is also a option for a custom url, in case you want to link to an external/custom url.
Remove the old module files (both system and themes)
Place the new files in the right folders
Navigatie to the module page and trigger the update proces, by clicking on the "module update" buttondule page and trigger the update proces, by clicking on the "module update" buttonoces, by clicking on the "module update" button