run build_ros.sh error

[B-B-KING]

i run .build.sh successfully but when i run build_ros.sh the following errors occurs
CMake Deprecation Warning at /opt/ros/melodic/share/ros/core/rosbuild/rosbuild.cmake:7 (cmake_policy):
The OLD behavior for policy CMP0011 will be removed from a future version
of CMake.

The cmake-policies(7) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.
Call Stack (most recent call first):
CMakeLists.txt:2 (include)

CMake Deprecation Warning at /opt/ros/melodic/share/ros/core/rosbuild/rosbuild.cmake:16 (cmake_policy):
The OLD behavior for policy CMP0002 will be removed from a future version
of CMake.

The cmake-policies(7) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.
Call Stack (most recent call first):
CMakeLists.txt:2 (include)

CMake Deprecation Warning at /opt/ros/melodic/share/ros/core/rosbuild/rosbuild.cmake:18 (cmake_policy):
The OLD behavior for policy CMP0003 will be removed from a future version
of CMake.

The cmake-policies(7) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.
Call Stack (most recent call first):
CMakeLists.txt:2 (include)

CMake Deprecation Warning at /opt/ros/melodic/share/ros/core/rosbuild/rosbuild.cmake:20 (cmake_policy):
The OLD behavior for policy CMP0005 will be removed from a future version
of CMake.

The cmake-policies(7) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.
Call Stack (most recent call first):
CMakeLists.txt:2 (include)

CMake Deprecation Warning at /opt/ros/melodic/share/ros/core/rosbuild/rosbuild.cmake:23 (cmake_policy):
The OLD behavior for policy CMP0011 will be removed from a future version
of CMake.

The cmake-policies(7) manual explains that the OLD behaviors of all
policies are deprecated and that a policy should be set to OLD only under
specific short-term circumstances. Projects should be ported to the NEW
behavior and not rely on setting a policy to OLD.
Call Stack (most recent call first):
CMakeLists.txt:2 (include)

-- Found PythonInterp: /usr/bin/python (found version "2.7.17")
[rosbuild] Building package ORB_SLAM3
[rosbuild] Error from directory check: /opt/ros/melodic/share/ros/core/rosbuild/bin/check_same_directories.py /home/tx2/catkin_ws/src/ORB_SLAM3_detailed_comments/Examples/ROS/ORB_SLAM3
1
Traceback (most recent call last):
File "/opt/ros/melodic/share/ros/core/rosbuild/bin/check_same_directories.py", line 46, in
raise Exception
Exception
CMake Error at /opt/ros/melodic/share/ros/core/rosbuild/private.cmake:99 (message):
[rosbuild] rospack found package "ORB_SLAM3" at "", but the current
directory is
"/home/tx2/catkin_ws/src/ORB_SLAM3_detailed_comments/Examples/ROS/ORB_SLAM3".
You should double-check your ROS_PACKAGE_PATH to ensure that packages are
found in the correct precedence order.
Call Stack (most recent call first):
/opt/ros/melodic/share/ros/core/rosbuild/public.cmake:177 (_rosbuild_check_package_location)
CMakeLists.txt:4 (rosbuild_init)

-- Configuring incomplete, errors occurred!
See also "/home/tx2/catkin_ws/src/ORB_SLAM3_detailed_comments/Examples/ROS/ORB_SLAM3/build/CMakeFiles/CMakeOutput.log".
make: *** No targets specified and no makefile found. Stop.
Can anyone help me solve this problem?