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/ 3 Years ago, fri, june 18, 2021, 6:58:44
This is the error that I am getting
Err:7 http://packages.ros.org/ros/ubuntu bionic InRelease
The following signatures were invalid: EXPKEYSIG F42ED6FBAB17C654 Open Robotics <[email protected]>
Reading package lists... Done
W: GPG error: http://packages.ros.org/ros/ubuntu bionic InRelease: The following signatures were invalid: EXPKEYSIG F42ED6FBAB17C654 Open Robotics <[email protected]>
E: The repository 'http://packages.ros.org/ros/ubuntu bionic InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
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