Please post in the downloads section under the version you are testing, describing as much of the bug as possible: side you played, units you built, opponet sides, and a crashlog (what OpenRA displays in exception.log when the crash occured). You can find exception.log by pressing the View Log button in the OpenRA crash window.
Tiberian Origins Mod development page is here: Sleipnirstuff.com
Thank you in advance!