Thank you for bringing this to our attention, very rare bug. If you could could you post your logs.
This file is saved in your default DOF directory under the name of Log1.txt.
"C:\Program Files (x86)\Steam\steamapps\common\Dawn of Fantasy"
If you are not running the game on Steam, screenshot will be in this folder instead: "C:\Program Files (x86)\Reverie World Studios\Dawn of Fantasy"
In some case you might want to attach all of your available Log files, they are located in the same folder named Log1.txt, Log2.txt, Log3.txt, Log4.txt and Log5.txt,
To attach your log file - while you are replying or making a new post you will see a field titled "Attach Files" in the Additional Options box below the text box. Click the "Manage Attachments" button below, and you will now be able to upload a variety of files. Select "Choose File" and select the file you wish to attach, before selecting the "Upload" button to finish the task.
If you don't see "Attach Files" or "Manage Attachments" you might be doing a quick reply, in which case you will need to click on "Go Advanced