Editor failed to package game

Development Programming & Scripting
1

We are using a blueprint project and since updating to 4.3 (and later) we have been unable to build a .exe file out from the engine.
The error message is “MainFrameActions: Packaging (Windows (32-bit)): RunUAT.bat ERROR: AutomationTool was unable to run successfully.”

I have attached the log for reference.

link text

2

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