IOS Packaging(c++ & bp) failed on Mac

Is the editor attached to the visual studio debugger?

I used the c++ template, but I actually did not write any c++ yet. When I tried to package my project for my iPad. I got these errors.

UATHelper: Packaging (iOS): UnrealBuildTool: ERROR: UBT ERROR: Failed to produce item: 
/Users/rozoalex/Documents/unreal engine project/Binaries/IOS/Untitle_ARPG1
UATHelper: Packaging (iOS): UnrealBuildTool: Total build time: 15.05 seconds
UATHelper: Packaging (iOS): CommandUtils.Run: Run: Took 15.276441s to run mono, ExitCode=5
UATHelper: Packaging (iOS): Program.Main: ERROR: AutomationTool terminated with exception: AutomationTool.CommandUtils+CommandFailedException: Command failed (Result:5): /Users/Shared/Epic Games/UE_4.14/Engine/Binaries/DotNET/UnrealBuildTool.exe Untitle_ARPG1 IOS Development -Project="/Users/rozoalex/Documents/unreal engine project/Untitle_ARPG1.uproject"  "
/Users/rozoalex/Documents/unreal engine project/Untitle_ARPG1.uproject"  -remoteini="/Users/rozoalex/Documents/unreal engine project" -noxge -nocreatestub -NoHotReload -ignorejunk. See logfile for details: 'UnrealBuildTool-2017.07.03-00.06.50.txt' 
UATHelper: Packaging (iOS):   at AutomationTool.CommandUtils.RunAndLog (System.String App, System.String CommandLine, System.String Logfile, Int32 MaxSuccessCode, System.String Input, ERunOptions Options, System.Collections.Generic.Dictionary`2 EnvVars, AutomationTool.SpewFilterCallbackType SpewFilterCallback) [0x00000] in <filename unknown>:0 
UATHelper: Packaging (iOS):   at AutomationTool.CommandUtils.RunAndLog (AutomationTool.CommandEnvironment Env, System.String App, System.String CommandLine, System.String LogName, Int32 MaxSuccessCode, System.String Input, ERunOptions Options, System.Collections.Generic.Dictionary`2 EnvVars, AutomationTool.SpewFilterCallbackType SpewFilterCallback) [0x00000]
 in <filename unknown>:0 
UATHelper: Packaging (iOS):   at AutomationTool.CommandUtils.RunUBT (AutomationTool.CommandEnvironment Env, System.String UBTExecutable, System.String CommandLine, System.String LogName, System.Collections.Generic.Dictionary`2 EnvVars) [0x00000] in <filename unknown>:0 
UATHelper: Packaging (iOS):   at AutomationTool.CommandUtils.RunUBT (AutomationTool.CommandEnvironment Env, System.String UBTExecutable, UnrealBuildTool.FileReference Project, System.String Target, System.String Platform, System.String Config, System.String AdditionalArgs, System.String LogName, System.Collections.Generic.Dictionary`2 EnvVars) [0x00000] in <
filename unknown>:0 
UATHelper: Packaging (iOS):   at AutomationTool.UE4Build.BuildWithUBT (System.String TargetName, UnrealTargetPlatform TargetPlatform, System.String Config, UnrealBuildTool.FileReference UprojectPath, Boolean ForceMonolithic, Boolean ForceNonUnity, Boolean ForceDebugInfo, Boolean ForceFlushMac, Boolean DisableXGE, System.String InAddArgs, Boolean ForceUnity, 
System.Collections.Generic.Dictionary`2 EnvVars) [0x00000] in <filename unknown>:0 
UATHelper: Packaging (iOS):   at AutomationTool.UE4Build.Build (AutomationTool.BuildAgenda Agenda, Nullable`1 InDeleteBuildProducts, Boolean InUpdateVersionFiles, Boolean InForceNoXGE, Boolean InUseParallelExecutor, Boolean InForceNonUnity, Boolean InForceUnity, Boolean InShowProgress, System.Collections.Generic.Dictionary`2 PlatformEnvVars, Nullable`1 InCha
ngelistNumberOverride, System.Collections.Generic.Dictionary`2 InTargetToManifest) [0x00000] in <filename unknown>:0 
UATHelper: Packaging (iOS):   at Project.Build (AutomationTool.BuildCommand Command, AutomationTool.ProjectParams Params, Int32 WorkingCL, ProjectBuildTargets TargetMask) [0x00000] in <filename unknown>:0 
UATHelper: Packaging (iOS):   at BuildCookRun.DoBuildCookRun (AutomationTool.ProjectParams Params) [0x00000] in <filename unknown>:0 
UATHelper: Packaging (iOS):   at BuildCookRun.ExecuteBuild () [0x00000] in <filename unknown>:0 
UATHelper: Packaging (iOS):   at AutomationTool.BuildCommand.Execute () [0x00000] in <filename unknown>:0 
UATHelper: Packaging (iOS):   at AutomationTool.Automation.Execute (System.Collections.Generic.List`1 CommandsToExecute, Tools.DotNETCommon.CaselessDictionary.CaselessDictionary`1 Commands) [0x00000] in <filename unknown>:0 
UATHelper: Packaging (iOS):   at AutomationTool.Automation.Process (System.String[] Arguments) [0x00000] in <filename unknown>:0 
UATHelper: Packaging (iOS):   at AutomationTool.Program.MainProc (System.Object Param) [0x00000] in <filename unknown>:0 
UATHelper: Packaging (iOS):   at AutomationTool.InternalUtils.RunSingleInstance (System.Func`2 Main, System.Object Param) [0x00000] in <filename unknown>:0 
UATHelper: Packaging (iOS):   at AutomationTool.Program.Main () [0x00000] in <filename unknown>:0 
UATHelper: Packaging (iOS): Program.Main: AutomationTool exiting with ExitCode=5 (5)
UATHelper: Packaging (iOS): RunUAT ERROR: AutomationTool was unable to run successfully.
PackagingResults:Error: Error Unknown Error

What could be the cause? And how to fix???

I am sorry, I am very newbie, really need help…