XMLParseException in WPF Xaml

Question

I have added .exe file of 'Project1' to 'Project2' . I want to open a window 'Window1' from that exe so i have added reference of exe in 'Project1'. But when i tried to open 'Window1' an error had shown 'XMLParseException Occured' in the fourth line of the code below in 'Window1'.

'Set property 'System.Windows.ResourceDictionary.Source' threw an exception.' 

<UserControl.Resources>

<ResourceDictionary>

<ResourceDictionary.MergedDictionaries>

<ResourceDictionary Source="/resourceDict.xaml"/>

</ResourceDictionary.MergedDictionaries>

</ResourceDictionary>

</UserControl.Resources>

 

 

please someone  help me find out the right way to solve this issue.