Black Mesa stoped working after Steam Update

Black Mesa Archive In-game Issues (Mod)
#1

Hi,

Have spent hours playing Black Mesa without big problems but got a Steam update today and can no longer play the game. Error message I get is SetupArrayProps_R: array prop ‘(null)’ is at index zero. According to information I have found round internet this message relates to a incorrect Source SDK engine this mod is trying to use. I have checked steam.inf file in BMS folder and it contains this: appID=218.

How can I fix this issue and run the game?

#2

See here

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.