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I have Ubuntu 20.04 and I'm trying to install ros2. So, I followed the steps for installation ,but when I type the command "sudo apt upgrade -y" I get this message:see photo

I don't want to upgrade to another version of ubuntu ,I want ubuntu 20.04. I don't know if ros2 is compatible with ubuntu pro. What should I do?

Thanks

karel
  • 114,770

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