package colcon (not installed) failed to install/upgrade

[Alan Liddell]

package colcon (not installed) failed to install/upgrade: trying to overwrite '/usr/bin/colcon', which is also in package python3-colcon-core 0.15.0-1

ProblemType: Package
DistroRelease: Ubuntu 23.04
Package: colcon (not installed)
ProcVersionSignature: Ubuntu 6.2.0-34.34-generic 6.2.16
Uname: Linux 6.2.0-34-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.26.1-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: pass
CloudArchitecture: x86_64
CloudID: none
CloudName: none
CloudPlatform: none
CloudSubPlatform: config
Date: Fri Oct 13 17:19:58 2023
ErrorMessage: trying to overwrite '/usr/bin/colcon', which is also in package python3-colcon-core 0.15.0-1
InstallationDate: Installed on 2023-10-13 (0 days ago)
InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64 (20230418)
Python3Details: /usr/bin/python3.11, Python 3.11.4, python3-minimal, 3.11.2-1
PythonDetails: N/A
RebootRequiredPkgs: Error: path contained symlinks.
RelatedPackageVersions:
 dpkg 1.21.21ubuntu1
 apt 2.6.0ubuntu0.1
SourcePackage: ros2-colcon-core
Title: package colcon (not installed) failed to install/upgrade: trying to overwrite '/usr/bin/colcon', which is also in package python3-colcon-core 0.15.0-1
UpgradeStatus: No upgrade log present (probably fresh install)

[Jochen Sprickerhof (v-launchpad-jochen-sprickerhof-de)]

I guess you have packages.ros.org in apt sources and got the python3-colcon-core package from there. Note that those packages are not compatible with the colon in Debian/Ubuntu.