t265 cannot work with ros2 humble ？Cannot locate rosdep definition

[yyh-young]

yyh@yyh-virtual-machine:~/ros2_ws$ colcon build
Starting >>> realsense2_camera_msgs
--- stderr: realsense2_camera_msgs
CMake Error at CMakeLists.txt:27 (find_package):
By not providing "Findament_cmake.cmake" in CMAKE_MODULE_PATH this project
has asked CMake to find a package configuration file provided by
"ament_cmake", but CMake did not find one.

Could not find a package configuration file provided by "ament_cmake" with
any of the following names:

ament_cmakeConfig.cmake
ament_cmake-config.cmake

Add the installation prefix of "ament_cmake" to CMAKE_PREFIX_PATH or set
"ament_cmake_DIR" to a directory containing one of the above files. If
"ament_cmake" provides a separate development package or SDK, be sure it
has been installed.
Failed <<< realsense2_camera_msgs [0.33s, exited with code 1]

Summary: 0 packages finished [0.57s]
1 package failed: realsense2_camera_msgs
1 package had stderr output: realsense2_camera_msgs
2 packages not processed

[masskro0]

Did you source ROS before executing the above command? Like
source /opt/ros/humble/setup.bash
After that, you should be able to run colcon build