Autoware.Auto / ROS1_Bridge / start issues [closed]

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Dear Autoware.Auto community,

I need to use ROS1 together with ROS2. I have installed the newest ade for Autoware.Auto. I am able to compile the version 0.7.2, but I get following output when I start the bridge.

ubuntu@ade:~$ source ros1_bridge_ws/install/setup.bash 
ROS_DISTRO was set to 'dashing' before. Please make sure that the environment does not mix paths from different distributions.
ROS_DISTRO was set to 'melodic' before. Please make sure that the environment does not mix paths from different distributions.
ubuntu@ade:~$ start_ros1_bridge 
ROS_DISTRO was set to 'dashing' before. Please make sure that the environment does not mix paths from different distributions.
... logging to /home/ubuntu/.ros/log/12f7629e-6887-11ea-a36e-0242ac110004/roslaunch-ade-11869.log
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

ROS_DISTRO was set to 'melodic' before. Please make sure that the environment does not mix paths from different distributions.
started roslaunch server http://ade:34435/

ros_comm version 1.14.3


SUMMARY
========

PARAMETERS

 * /rosdistro: melodic
 * /rosversion: 1.14.3

NODES

auto-starting new master
process[master]: started with pid [12298]
ROS_MASTER_URI=http://ade:11311/

setting /run_id to 12f7629e-6887-11ea-a36e-0242ac110004
process[rosout-1]: started with pid [12818]
started core service [/rosout]
Failed to load entry point 'info': /opt/ros/dashing/lib/librosbag2_storage.so: undefined symbol: _ZNK12class_loader11ClassLoader15isLibraryLoadedEv
The C extension '/opt/ros/dashing/lib/python3.6/site-packages/rosbag2_transport/_rosbag2_transport_py.cpython-36m-x86_64-linux-gnu.so' failed to be imported while being present on the system. Please refer to 'https://index.ros.org/doc/ros2/Troubleshooting/#import-failing-even-with-library-present-on-the-system' for possible solutions
ubuntu@ade:~$ [rosout-1] killing on exit
[master] killing on exit
shutting down processing monitor...


   ... shutting down processing monitor complete
    done

I followed the instructions from: https://autowarefoundation.gitlab.io/...

Thanks a lot for your help!

Best, Markus