pod try DMDynamicWaterfall doesn't work

[z-br]

I get this error:

[!] Unable to find a target named Demo Opening '/private/tmp/CocoaPods/Try/DMDynamicWaterfall/Project/DMDynamicWaterfallDemo.xcworkspace' The file /private/tmp/CocoaPods/Try/DMDynamicWaterfall/Project/DMDynamicWaterfallDemo.xcworkspace does not exist.