can't run Planning simulation

[HuaweiAlgolux]

I followed the Planning Simulation tutorial, can't see the sample map in RVIZ2.

The following is what RVIZ2 looks like:

The following is the output in the terminal:

[HuaweiAlgolux]

This is solved by doing sudo apt install ufw and then sudo ufw disable

[cyn-liu]

hello! I had similar problem when running autoware, rviz2 could not display the sample-map, but when I used my own map, rviz2 successfully displayed the map. I tried to solve this problem using the method you mentioned(sudo apt install ufw, sudo ufw disable) and found that it didn't help me.
the following is what rviz2 look like:

the following is what terminal output: