I’m sorry if this thread is in the wrong category, as I found it very hard to find a fitting category for this problem.
I’m having some issues with launching my project. When I try to launch, I keep on receiving this error in the Output Log. Ask me if you need some extra info to solve this problem and I will gladly provide! 
Error message I receive in the Output Log:
LogPlayLevel: UnrealBuildTool: Creating makefile for WCTD (no existing makefile)
LogPlayLevel: UnrealBuildTool: Performing full C++ include scan (no include cache file)
LogPlayLevel: UnrealBuildTool: Visual C++ 2015 toolchain does not appear to be correctly installed. Please verify that "Common Tools for Visual C++ 2015" was selected when installing Visual Studio 2015.
LogPlayLevel: UnrealBuildTool: ERROR: Failed to find cl.exe in the default toolchain directory C:\Visual Studio\Common7\Tools\../../VC/bin/x86_amd64\cl.exe. Please verify that "Common Tools for Visual C++ 2015" was selected when installing Visual Studio 2015.
LogPlayLevel: CommandUtils.Run: Run: Took 10,8348373s to run UnrealBuildTool.exe, ExitCode=5
LogPlayLevel: Program.Main: ERROR: AutomationTool terminated with exception: AutomationTool.CommandUtils+CommandFailedException: Command failed (Result:5): E:\Unreal engine\Epic Games\4.13\Engine\Binaries\DotNET\UnrealBuildTool.exe WCTD Win64 Development -Project="E:\Game projects\WCTD\WCTD.uproject" "E:\Game projects\WCTD\WCTD.uproject" -remoteini="E:\Gam
e projects\WCTD" -noxge -NoHotReload -ignorejunk. See logfile for details: 'UnrealBuildTool-2016.11.17-01.38.54.txt'
LogPlayLevel: ved AutomationTool.CommandUtils.RunAndLog(String App, String CommandLine, String Logfile, Int32 MaxSuccessCode, String Input, ERunOptions Options, Dictionary`2 EnvVars, SpewFilterCallbackType SpewFilterCallback)
LogPlayLevel: ved AutomationTool.CommandUtils.RunAndLog(CommandEnvironment Env, String App, String CommandLine, String LogName, Int32 MaxSuccessCode, String Input, ERunOptions Options, Dictionary`2 EnvVars, SpewFilterCallbackType SpewFilterCallback)
LogPlayLevel: ved AutomationTool.CommandUtils.RunUBT(CommandEnvironment Env, String UBTExecutable, String CommandLine, String LogName, Dictionary`2 EnvVars)
LogPlayLevel: ved AutomationTool.CommandUtils.RunUBT(CommandEnvironment Env, String UBTExecutable, FileReference Project, String Target, String Platform, String Config, String AdditionalArgs, String LogName, Dictionary`2 EnvVars)
LogPlayLevel: ved AutomationTool.UE4Build.BuildWithUBT(String TargetName, UnrealTargetPlatform TargetPlatform, String Config, FileReference UprojectPath, Boolean ForceMonolithic, Boolean ForceNonUnity, Boolean ForceDebugInfo, Boolean ForceFlushMac, Boolean DisableXGE, String InAddArgs, Boolean ForceUnity, Dictionary`2 EnvVars)
LogPlayLevel: ved AutomationTool.UE4Build.Build(BuildAgenda Agenda, Nullable`1 InDeleteBuildProducts, Boolean InUpdateVersionFiles, Boolean InForceNoXGE, Boolean InUseParallelExecutor, Boolean InForceNonUnity, Boolean InForceUnity, Boolean InShowProgress, Dictionary`2 PlatformEnvVars, Nullable`1 InChangelistNumberOverride, Dictionary`2 InTargetToManifest)
LogPlayLevel: ved Project.Build(BuildCommand Command, ProjectParams Params, Int32 WorkingCL, ProjectBuildTargets TargetMask)
LogPlayLevel: ved BuildCookRun.DoBuildCookRun(ProjectParams Params)
LogPlayLevel: ved AutomationTool.BuildCommand.Execute()
LogPlayLevel: ved AutomationTool.Automation.Execute(List`1 CommandsToExecute, CaselessDictionary`1 Commands)
LogPlayLevel: ved AutomationTool.Automation.Process(String] Arguments)
LogPlayLevel: ved AutomationTool.Program.MainProc(Object Param)
LogPlayLevel: ved AutomationTool.InternalUtils.RunSingleInstance(Func`2 Main, Object Param)
LogPlayLevel: ved AutomationTool.Program.Main()
LogPlayLevel: Program.Main: AutomationTool exiting with ExitCode=5 (5)
LogPlayLevel: Completed Launch On Stage: Build Task, Time: 13.014913
LogPlayLevel: BUILD FAILED
PackagingResults:Error: Error Launch failed! Unknown Error