The error implies something is coming before
<?xml version =
on line 1 of the file. Have you tried moving your customized xml file out of the folder and copying in the default Specify paleo.views.xml to see if it works without error? What were you using to edit the xml file? It is possible that the file was saved in UTF-8 encoding with a byte order mark (BOM) at the very beginning, which could cause problems.