Description

Running the command

 {,,UE4Editor-Core}::PrintScriptCallstack() 

in the Immediate Window in Visual Studio while debugging is paused in Visual Studio will result in a breakpoint being hit when the debug session is resumed.

REGRESSION:
Yes. This breakpoint was not triggered in 4.17.2.

Steps to Reproduce
  1. Create a new Basic Code project.
  2. Start a new debug instance of the project in Visual Studio.
  3. Once the project opens in the Editor, click the Break All (pause) button in Visual Studio.
  4. Open the Immediate Window in Visual Studio (Ctrl+Alt+I or Debug -> Windows -> Immediate).
  5. In the Immediate Window, enter the following command:
     {,,UE4Editor-Core}::PrintScriptCallstack() 
  6. Click the Continue (play) button in Visual Studio.

RESULT:
A breakpoint is triggered with the following error: Exception thrown at 0x0000000000000000 in UE4Editor.exe: 0xC0000005: Access violation executing location 0x0000000000000000.

EXPECTED:
The debug session resumes.

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Fixed
ComponentGameplay - Blueprint
Affects Versions4.18.24.20
Target Fix4.19
Fix Commit3840692
Main Commit3967553
Release Commit3840693
CreatedJan 10, 2018
ResolvedJan 16, 2018
UpdatedApr 27, 2018