[4.10] Cooking fails with blank errors

Hi All,

We are having problems cooking our project after upgrading to 4.10. Cooking fails with two blank errors below. I am unable to even guess what is going wrong. Any help will be really appreciated.

MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2015.12.06-13.50.44:753][  0]LogInit:Display: Warning/Error Summary
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2015.12.06-13.50.44:754][  0]LogInit:Display: ---------------------
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2015.12.06-13.50.44:754][  0]LogInit:Display: LogOutputDevice:Error: 
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: begin: stack for UAT
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2015.12.06-13.50.44:754][  0]LogInit:Display: LogOutputDevice:Error: 
MainFrameActions: Packaging (Windows (64-bit)): UE4Editor-Cmd: end: stack for UAT

The log file is attached belowlink text