I tried to use realsense depth camera (intel) with following environment.

/Environment Jetsonnano Ubuntu 18.04 ROS melodic

When I tried to build, following error happened. II don't have idea to solve this problem. Please help me.

/opt/ros/melodic/include/cvbridge/cvbridge.h:43:10: fatal error: opencv2/core/core.hpp: No such file or directory #include