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Did you install the dependencies for the Nav2 repository?

rosdep install -y -r -q --from-paths src --ignore-src --rosdistro humble
colcon build --symlink-install

Did you install the dependencies for the Nav2 repository?

rosdep install -y -r -q --from-paths src --ignore-src --rosdistro humble
colcon build --symlink-install

Did you install the dependencies for the Nav2 repository?

rosdep install -y -r -q --from-paths src --ignore-src --rosdistro humble
colcon build --symlink-install

This can also be helpful:

• https://navigation.ros.org/build_instructions/build_docs/build_troubleshooting_guide.html#build-troubleshooting-guide

Especially:

Make sure you’re using the correct branch for your distribution. There is no cross support from branch for DistroA in DistroB. The main development branch uses the Rolling distribution.