For anyone else experiencing this problem.
It is caused by UTF-8 files that have been saved with a byte order mark (BOM). If you open the xaml file in a good text editor (Notepad++ / Sublime Text) then you should be able to change the encoding or save as a UTF-8 without BOM.
It is caused by UTF-8 files that have been saved with a byte order mark (BOM). If you open the xaml file in a good text editor (Notepad++ / Sublime Text) then you should be able to change the encoding or save as a UTF-8 without BOM.