ResourceHacker - File after editing and saving becomes corrupted

ResourceHacker http://www.angusj.com/resourcehacker/

resource_hacker_Version 5.1.6.zip

ResourceHacker - File after editing and saving becomes corrupted.

I edited a copy of Resourcehacker. Changed the version number.

Debug1_20181212-0.4.12-dev-36-g472787f.log

VirtualBox_ReactOS4_12_12_2018_15_01_29.png

VirtualBox_ReactOS4_12_12_2018_15_01_54.png

The file is also damaged when you change icons and save.

I did the same thing in Windows XP-no errors. The file you are editing opens and runs.