It looks like your parameter file(s) are missing some required variables.What parameters are you using to launch ECJ, and how are you running it at the command line?Siggy--On Tue, Aug 23, 2016 at 12:44 PM, Vimaladevi M <[log in to unmask]> wrote:Hi allI am trying to run PSO algorithm from ECJ.I am getting the following error:--------------------------------------- FATAL ERROR:Threads number must exist.PARAMETER: breedthreadsPARAMETER: null--------------------------------------- --Can anyone help me to resolve this?Thank you!Ph.D student in Computer Science, George Mason UniversityCFO and Web Director, Journal of Mason Graduate Research