Tried today again the new vversion (3.0) and found solution to my previos error
Feb 27 17:49:25 zomps 2.1.0-15[6999]: ERROR: Failed to set xpi value in command xrdb: /bin/bash -c 'exec -a - /bin/bash -c '\''xrdb -merge'\'': output was: xrdb: Can't open display 'unix:1013'\n, exit value: 1 'main ...