Launching on iOS failed

Has anyone had any luck on this? I’m getting the same thing today.

  • UE4 4.8.2
  • Xcode 6.4
  • OS X 10.10.3

The relevant error (I’m guessing) looks like this:
[snip]
LogPlayLevel: mono: Unhandled Exception:
LogPlayLevel: mono: System.IO.IOException: AFCFileRefOpen (/PublicStaging/jjf.ipa) failed with error 7
LogPlayLevel: mono: at Manzana.iPhoneFile.Open (Manzana.MobileDeviceInstance phone, System.String path, FileAccess openmode) [0x00000] in :0
LogPlayLevel: mono: at Manzana.iPhoneFile.OpenWrite (Manzana.MobileDeviceInstance phone, System.String path) [0x00000] in :0
LogPlayLevel: mono: at Manzana.MobileDeviceInstance.CopyFileToPhone (System.String PathOnPC, System.String PathOnPhone, Int32 ChunkSize) [0x00000] in :0
LogPlayLevel: mono: at Manzana.MobileDeviceInstance.CopyFileToPhone (System.String PathOnPC, System.String PathOnPhone) [0x00000] in :0
LogPlayLevel: mono: at Manzana.MobileDeviceInstance.CopyFileToPublicStaging (System.String SourceFile) [0x00000] in :0
LogPlayLevel: mono: at DeploymentServer.DeploymentImplementation+<>c__DisplayClass7.b__6 (Manzana.MobileDeviceInstance Device) [0x00000] in :0
LogPlayLevel: mono: at DeploymentServer.DeploymentImplementation.PerformActionOnAllDevices (UInt32 DelayEnumerationPeriodMS, DeploymentServer.PerformDeviceActionDelegate PerDeviceWork) [0x00000] in :0
LogPlayLevel: mono: at DeploymentServer.DeploymentImplementation.InstallIPAOnDevice (System.String IPAPath) [0x00000] in :0
LogPlayLevel: mono: at DeploymentServer.Program.RunCommand () [0x00000] in :0
LogPlayLevel: mono: at DeploymentServer.Program+<>c__DisplayClass1.b__0 () [0x00000] in :0
LogPlayLevel: mono: at System.Threading.Thread.StartInternal () [0x00000] in :0
[snip]