“Cannot Read Property ‘STS’ of Undefined” When Using SP.UI.ModalDialog in SharePoint 2013
I’m using SharePoint’s built-in modal dialog for a single page application I’ve been developing. When I refresh the page to test changes I’ll randomly get an error saying that “Cannot read property ‘STS’ of undefined.” I’m using the Script-on-demand functions that should make things work: SP.SOD.executeFunc(‘sp.ui.dialog.js’, ‘SP.UI.ModalDialog’, myFunction); Looking at the stack trace, I can…