Hello,
today morning I've noticed that my Hotspots map is blank. In browser console there is following error:

Uncaught Error: Could not find template: '#tabs-template'
at throwError (backbone.marionette.js:465)
at Marionette.TemplateCache.loadTemplate (backbone.marionette.js:1175)
at Marionette.TemplateCache.load (backbone.marionette.js:1160)
at Function.get (backbone.marionette.js:1122)
at Object.render (backbone.marionette.js:1214)
at child.render (backbone.marionette.js:1492)
at child.render (backbone.marionette.js:2063)
at Marionette.Region.show (backbone.marionette.js:896)
at Object.create (list_controller.js:34)
at Object.listTabs (tabs_app.js:8)