Reply To: LTE_sim_main_launcher_demo_CoMP nt.tuwien.ac.at > Reply To: LTE_sim_main_launcher_demo_CoMP Search for: 26. January 2016 at 15:06 #3929 Martin TaranetzParticipant Hi, before running a simulation try the command: “dbstop if error”. Then, check out the variables that are fed to fetch_grid. Best regards, Martin.