Engine Error: Lua Panic! Something went horribly wrong! "Not enough memory"

Ever since a “DarkRp” server has went out of beta I got this error on the server. Engine Error: Lua Panic! Something went horribly wrong! “Not enough memory.” I dont know why it says this when I have 16Gbs of ddr3 memory in my computer i used task manager and saw nothing wrong with my ram. I reinstalled Gmod and verified game files many times but it doesnt seem to work. I also deleted my whole steam folder and reinstalled all my games and steam and it did work until the next day and the same message popped up. Please help if you can and Thanks in advance for the help.