Thanks for the reply eXi.
u.project right click switch unreal engine version 4.7 and open
yes clicked the button
log error
Log file open, 12/07/15 23:44:40
LogInit:Display: Running engine for game: NetworkSessionTest
LogInit:Warning: Incompatible or missing module: UE4Editor-NetworkSessionTest.dll
Running C:/Program Files/Epic Games/4.7/Engine/Binaries/DotNET/UnrealBuildTool.exe NetworkSessionTest Development Win64 -project="C:/Users//Desktop/NetworkSessionTest/NetworkSessionTest.uproject" -rocket -editorrecompile -progress
Performing 2 actions (4 in parallel)
[1/2] Resource NetworkSessionTest.rc
C:\Users\\Desktop\NetworkSessionTest\Source\NetworkSessionTest\Resources\Windows\NetworkSessionTest.rc(68) : error RC2135 : file not found: ../../../../Build/Windows/Application.ico
-------- End Detailed Actions Stats -----------------------------------------------------------
ERROR: UBT ERROR: Failed to produce item: C:\Users\\Desktop\NetworkSessionTest\Binaries\Win64\UE4Editor-NetworkSessionTest.dll
Cumulative action seconds (8 processors): 0.00 building projects, 0.14 compiling, 0.00 creating app bundles, 0.00 generating debug info, 0.00 linking, 0.00 other
UBT execution time: 6.39 seconds
LogExit: Preparing to exit.
LogModuleManager: Shutting down and abandoning module DesktopPlatform (14)
LogModuleManager: Shutting down and abandoning module TextureCompressor (13)
LogModuleManager: Shutting down and abandoning module ShaderCore (12)
LogModuleManager: Shutting down and abandoning module Landscape (11)
LogModuleManager: Shutting down and abandoning module SlateRHIRenderer (10)
LogModuleManager: Shutting down and abandoning module OpenGLDrv (9)
LogModuleManager: Shutting down and abandoning module D3D11RHI (8)
LogModuleManager: Shutting down and abandoning module Renderer (7)
LogModuleManager: Shutting down and abandoning module Engine (6)
LogModuleManager: Shutting down and abandoning module CoreUObject (5)
LogModuleManager: Shutting down and abandoning module NetworkFile (4)
LogModuleManager: Shutting down and abandoning module StreamingFile (3)
LogModuleManager: Shutting down and abandoning module SandboxFile (2)
LogModuleManager: Shutting down and abandoning module PakFile (1)
LogExit: Exiting.
Log file closed, 12/07/15 23:45:15