DataTable Crashes when editing

[2017.08.03-20.46.53:429][ 84]LogWindows:Error: === Critical error: ===
[2017.08.03-20.46.53:429][ 84]LogWindows:Error:
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: Assertion failed: IsValid() [File:D:\Build++UE4+Release-4.16+Compile\Sync\Engine\Source\Runtime\Core\Public\Templates/SharedPointer.h] [Line: 835]
[2017.08.03-20.46.53:429][ 84]LogWindows:Error:
[2017.08.03-20.46.53:429][ 84]LogWindows:Error:
[2017.08.03-20.46.53:429][ 84]LogWindows:Error:
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: KERNELBASE.dll!0x00000000F16E9E08
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Core.dll!0x00000000BB85AFFE
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Core.dll!0x00000000BB67249B
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Core.dll!0x00000000BB600849
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-DataTableEditor.dll!0x0000000092ED9A80
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-DataTableEditor.dll!0x0000000092ED6120
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-UnrealEd.dll!0x00000000B9FB56FD
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-UnrealEd.dll!0x00000000B9F61015
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-DataTableEditor.dll!0x0000000092ECB13E
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-DataTableEditor.dll!0x0000000092E824B2
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-DataTableEditor.dll!0x0000000092E82D09
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-DataTableEditor.dll!0x0000000092EBCE35
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Slate.dll!0x00000000C5258F57
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Slate.dll!0x00000000C5285D7B
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Slate.dll!0x00000000C50A9E9C
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Slate.dll!0x00000000C5079835
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Slate.dll!0x00000000C511E5E2
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Slate.dll!0x00000000C510720F
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Slate.dll!0x00000000C50F8391
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Core.dll!0x00000000BB85175B
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Core.dll!0x00000000BB83B7D1
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Core.dll!0x00000000BB8533DB
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Core.dll!0x00000000BB837B22
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: USER32.dll!0x00000000F1C7BC50
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: USER32.dll!0x00000000F1C7B5CF
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor-Core.dll!0x00000000BB853CE6
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor.exe!0x00000000FE18DB44
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor.exe!0x00000000FE17F0B0
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor.exe!0x00000000FE17F12A
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor.exe!0x00000000FE190CF9
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: UE4Editor.exe!0x00000000FE1925F7
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: KERNEL32.DLL!0x00000000F2C42774
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: ntdll.dll!0x00000000F44E0D51
[2017.08.03-20.46.53:429][ 84]LogWindows:Error: ntdll.dll!0x00000000F44E0D51
[2017.08.03-20.46.53:429][ 84]LogWindows:Error:
[2017.08.03-20.46.53:437][ 84]LogExit: Executing StaticShutdownAfterError
[2017.08.03-20.46.53:440][ 84]LogWindows: FPlatformMisc::RequestExit(1)
[2017.08.03-20.46.53:440][ 84]Log file closed, 08/03/17 21:46:53

Cannot perform any edits on the data table without a crash