Problems packaging/cooking project

When I try to cook or package my project I get the following error(s):

MainFrameActions: Cooking (Windows): UE4Editor-Cmd: kernel32.dll!UnknownFunction (0x00000000778959cd) + 0 bytes [UnknownFile:0]
MainFrameActions: Cooking (Windows): UE4Editor-Cmd:
MainFrameActions: Cooking (Windows): UE4Editor-Cmd: ntdll.dll!UnknownFunction (0x0000000077acb981) + 0 bytes [UnknownFile:0]
MainFrameActions: Cooking (Windows): UE4Editor-Cmd:
MainFrameActions: Cooking (Windows): UE4Editor-Cmd: ntdll.dll!UnknownFunction (0x0000000077acb981) + 0 bytes [UnknownFile:0]
MainFrameActions: Cooking (Windows): UE4Editor-Cmd:
MainFrameActions: Cooking (Windows): UE4Editor-Cmd:
MainFrameActions: Cooking (Windows): UE4Editor-Cmd:
MainFrameActions: Cooking (Windows): UE4Editor-Cmd:
MainFrameActions: Cooking (Windows): UE4Editor-Cmd: [2015.06.06-14.49.35:443][ 0]LogExit: Executing StaticShutdownAfterError
MainFrameActions: Cooking (Windows): UE4Editor-Cmd: [2015.06.06-14.50.09:329][ 0]LogWindows: FPlatformMisc::RequestExit(1)
MainFrameActions: Cooking (Windows): CommandUtils.Run: Run: Took 5254,479539s to run UE4Editor-Cmd.exe, ExitCode=3
MainFrameActions: Cooking (Windows): Project.Cook: Cook failed. Deleting cooked data.
MainFrameActions: Cooking (Windows): ErrorReporter.Error: ERROR: AutomationTool error: Cook failed.
MainFrameActions: Cooking (Windows): BuildCommand.Execute: ERROR: BUILD FAILED
MainFrameActions: Cooking (Windows): Program.Main: ERROR: AutomationTool terminated with exception:
MainFrameActions: Cooking (Windows): Program.Main: ERROR: Exception in AutomationScripts.Automation: BUILD FAILED: Failed while running Cook for C:\Users\Mohamed\Documents\Unreal Projects\LandscapeMountains\CrunchedUpPaperHouse.uproject; see log C:\Users\Mohamed\AppData\Roaming\Unreal Engine
MainFrameActions: Cooking (Windows): AutomationTool\Logs\C+Program+Files+Epic+Games+4.7\Cook.txt
MainFrameActions: Cooking (Windows): Stacktrace: at Project.Cook(ProjectParams Params)
MainFrameActions: Cooking (Windows): at BuildCookRun.DoBuildCookRun(ProjectParams Params)
MainFrameActions: Cooking (Windows): at BuildCommand.Execute()
MainFrameActions: Cooking (Windows): at AutomationTool.Automation.Execute(List1 CommandsToExecute, CaselessDictionary1 Commands)
MainFrameActions: Cooking (Windows): at AutomationTool.Automation.Process(String[] CommandLine)
MainFrameActions: Cooking (Windows): at AutomationTool.Program.MainProc(Object Param)
MainFrameActions: Cooking (Windows): at AutomationTool.InternalUtils.RunSingleInstance(MainProc Main, Object Param)
MainFrameActions: Cooking (Windows): at AutomationTool.Program.Main()
MainFrameActions: Cooking (Windows): Program.Main: ERROR: BUILD FAILED: Failed while running Cook for C:\Users\Mohamed\Documents\Unreal Projects\LandscapeMountains\CrunchedUpPaperHouse.uproject; see log C:\Users\Mohamed\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+4.7\Cook.txt
MainFrameActions: Cooking (Windows): ProcessManager.KillAll: Trying to kill 0 spawned processes.
MainFrameActions: Cooking (Windows): Program.Main: AutomationTool exiting with ExitCode=25
MainFrameActions: Cooking (Windows): Domain_ProcessExit
MainFrameActions: Cooking (Windows): ProcessManager.KillAll: Trying to kill 0 spawned processes.
MainFrameActions: Cooking (Windows): copying UAT log files…
MainFrameActions: Cooking (Windows): RunUAT.bat ERROR: AutomationTool was unable to run successfully.
MainFrameActions: Cooking (Windows): BUILD FAILED

Has anyone had this problem and solved or does anyone know what is causing this?

Could you post the entire log? The information in the log will help use diagnose the problem.

-Pete