Hi, when I start roscore, following errors appear and the master restart over and over again.

NODES

auto-starting new master
process[master]: started with pid [24720]
ROS_MASTER_URI=http://bty309:11311/

setting /run_id to 6e239b26-f383-11e8-9e05-488ad245164c
process[rosout-1]: started with pid [24740]
started core service [/rosout]
/opt/ros/kinetic/lib/rosout/rosout: symbol lookup error: /opt/ros/kinetic/lib/rosout/rosout: undefined symbol: _ZN3ros4initERiPPcRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEj
[rosout-1] process has died [pid 24740, exit code 127, cmd /opt/ros/kinetic/lib/rosout/rosout __name:=rosout __log:=/home/bty/.ros/log/6e239b26-f383-11e8-9e05-488ad245164c/rosout-1.log].
log file: /home/bty/.ros/log/6e239b26-f383-11e8-9e05-488ad245164c/rosout-1*.log
[rosout-1] restarting process

I've tried sudo apt-get update and sudo apt-get upgrade, but it doesn't work.

Anyone any ideas?Thanks in advance.

ps. reinstall ros doesn't work.