Fall Damage Code Crashing Game

If the player dies from the fall it works perfectly fine but if they survive the game crashes. Can someone recommend me a better solution or fix

[2018.03.31-21.04.25:953][ 72]LogWindows: Error: === Critical error: ===
[2018.03.31-21.04.25:953][ 72]LogWindows: Error: 
[2018.03.31-21.04.25:953][ 72]LogWindows: Error: Fatal error!
[2018.03.31-21.04.25:953][ 72]LogWindows: Error: 
[2018.03.31-21.04.25:953][ 72]LogWindows: Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00000100
[2018.03.31-21.04.25:953][ 72]LogWindows: Error: 
[2018.03.31-21.04.25:953][ 72]LogWindows: Error: [Callstack] 0x000000001F02F2D6 UE4Editor-CoreUObject.dll!UnknownFunction []
[2018.03.31-21.04.25:953][ 72]LogWindows: Error: [Callstack] 0x00000000122B33CE UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:953][ 72]LogWindows: Error: [Callstack] 0x00000000126A440E UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:953][ 72]LogWindows: Error: [Callstack] 0x00000000F266B65C UE4Editor-ShooterGame.dll!AShooterCharacter::PlayHit() [c:\users\kar67\documents\other-hard-drive\unreal projects\shootergame 4.19\source\shootergame\private\player\shootercharacter.cpp:437]
[2018.03.31-21.04.25:953][ 72]LogWindows: Error: [Callstack] 0x00000000F2692424 UE4Editor-ShooterGame.dll!AShooterCharacter::TakeDamage() [c:\users\kar67\documents\other-hard-drive\unreal projects\shootergame 4.19\source\shootergame\private\player\shootercharacter.cpp:282]
[2018.03.31-21.04.25:953][ 72]LogWindows: Error: [Callstack] 0x00000000F263E6B0 UE4Editor-ShooterGame.dll!AShooterCharacter::Landed() [c:\users\kar67\documents\other-hard-drive\unreal projects\shootergame 4.19\source\shootergame\private\player\shootercharacter.cpp:501]
[2018.03.31-21.04.25:953][ 72]LogWindows: Error: [Callstack] 0x00000000127927A9 UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:953][ 72]LogWindows: Error: [Callstack] 0x000000001278D85D UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:953][ 72]LogWindows: Error: [Callstack] 0x00000000127A244E UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x000000001278BF33 UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x00000000127A4707 UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x00000000126FD258 UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x000000001272FDA4 UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x00000000134064DB UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x000000001340BBB3 UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x000000002012B723 UE4Editor-Core.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x000000002012BD4A UE4Editor-Core.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x000000002014ED0E UE4Editor-Core.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x000000001342CB91 UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x00000000134326B2 UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x0000000012C8BAE4 UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x0000000012C96D4B UE4Editor-Engine.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x0000000010E3D781 UE4Editor-UnrealEd.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x00000000116D9526 UE4Editor-UnrealEd.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x00000000DCBC5EAC UE4Editor.exe!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x00000000DCBD6BD0 UE4Editor.exe!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x00000000DCBD6C4A UE4Editor.exe!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x00000000DCBE4149 UE4Editor.exe!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x00000000DCBE5B57 UE4Editor.exe!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x000000005DC61FE4 KERNEL32.DLL!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x000000005E1EEFC1 ntdll.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: [Callstack] 0x000000005E1EEFC1 ntdll.dll!UnknownFunction []
[2018.03.31-21.04.25:954][ 72]LogWindows: Error: 
[2018.03.31-21.04.25:974][ 72]LogExit: Executing StaticShutdownAfterError
[2018.03.31-21.04.26:190][ 72]LogWindows: FPlatformMisc::RequestExit(1)
[2018.03.31-21.04.26:214][ 72]Log file closed, 03/31/18 22:04:26

Don’t worry I found a solution ‘Apply Damage’