ERROR when packaging and launching

When i launch the game to try it, I have this error!

   LogPlayLevel: Completed Launch On Stage: Cooking in the editor, Time: 7.110507
    LogPlayLevel: Running AutomationTool...
    LogPlayLevel: Parsing command line: -ScriptsForProject="C:/Users/antgi/Documents/Unreal Projects/MyProject/MyProject.uproject" BuildCookRun -project="C:/Users/antgi/Documents/Unreal Projects/MyProject/MyProject.uproject" -noP4 -clientconfig=Development -serverconfig=Development -nocompile -nocompileeditor -installed -ue4exe=UE4Editor-Cmd.exe -utf8output -pla
    tform=Android_ASTC -targetplatform=Android -cookflavor=ASTC -ini:Game:[/Script/UnrealEd.ProjectPackagingSettings]:BlueprintNativizationMethod=Disabled -map=/Game/VehicleAdvBP/Maps/Level1 -skipcook -CookInEditor -iterativecooking -compressed -iterativedeploy -stage -deploy -cmdline="/Game/VehicleAdvBP/Maps/Level1 -Messaging" -device=Android_ASTC@0123456789ABC
    DEF -addcmdline="-SessionId=2025B69141A4C248933A6D946D02CBA7 -SessionOwner='antgi' -SessionName='Launch On Device' " -run
    LogPlayLevel: Setting up ProjectParams for C:\Users\antgi\Documents\Unreal Projects\MyProject\MyProject.uproject
    LogPlayLevel: ********** STAGE COMMAND STARTED **********
    LogPlayLevel: ERROR: Stage Failed. Missing receipt 'MyProject.target'. Check that this target has been built.
    LogPlayLevel:        (see C:\Users\antgi\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_4.18\UAT_Log.txt for full exception trace)
    LogPlayLevel: AutomationTool exiting with ExitCode=103 (Error_MissingExecutable)
    LogPlayLevel: Completed Launch On Stage: Build Task, Time: 3.804691
    LogPlayLevel: Completed Launch On Stage: Deploy Task, Time: 0.000090
    LogPlayLevel: BUILD FAILED
    PackagingResults: Error: Launch failed! Missing UE4Game binary.
    You may have to build the UE4 project with your IDE. Alternatively, build using UnrealBuildTool with the commandline:
    UE4Game <Platform> <Configuration>
    LogSlate: Took 0.020055 seconds to synchronously load lazily loaded font '../../../Engine/Content/Editor/Slate/Fonts/DroidSansMono.ttf' (77K)