after $ ./build.sh humble apper some issues

[wh-xz]

(ross) ┌─[wh_xz@Legion-Y7000P-IRH8] - [~/wh_xz/software/livox/src/livox_ros_driver2] - [日 10月 13, 19:34]
└─[$] git:(master) source /opt/ros/humble/setup.sh
./build.sh humble
Working Path: /home/wh_xz/wh_xz/software/livox/src/livox_ros_driver2
ROS version is: ROS2
Starting >>> livox_ros_driver2
Starting >>> livox_sdk2
--- stderr: livox_ros_driver2
/usr/include/apr-1.0
apr-1
CMake Error at /opt/ros/humble/share/rosidl_adapter/cmake/rosidl_adapt_interfaces.cmake:59 (message):
execute_process(/home/wh_xz/anaconda3/envs/ross/bin/python3 -m
rosidl_adapter --package-name livox_ros_driver2 --arguments-file
/home/wh_xz/wh_xz/software/livox/build/livox_ros_driver2/rosidl_adapter__arguments__livox_interfaces2.json
--output-dir
/home/wh_xz/wh_xz/software/livox/build/livox_ros_driver2/rosidl_adapter/livox_ros_driver2
--output-file
/home/wh_xz/wh_xz/software/livox/build/livox_ros_driver2/rosidl_adapter/livox_interfaces2.idls)
returned error code 1:

AttributeError processing template 'msg.idl.em'

Traceback (most recent call last):

File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_adapter/resource/__init__.py", line 48, in evaluate_template
  _interpreter = em.Interpreter(

AttributeError: module 'em' has no attribute 'Interpreter'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

File "/home/wh_xz/anaconda3/envs/ross/lib/python3.8/runpy.py", line 194, in _run_module_as_main
  return _run_code(code, main_globals, None,
File "/home/wh_xz/anaconda3/envs/ross/lib/python3.8/runpy.py", line 87, in _run_code
  exec(code, run_globals)
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_adapter/__main__.py", line 19, in <module>
  sys.exit(main())
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_adapter/main.py", line 53, in main
  abs_idl_file = convert_to_idl(
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_adapter/__init__.py", line 19, in convert_to_idl
  return convert_msg_to_idl(
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_adapter/msg/__init__.py", line 39, in convert_msg_to_idl
  expand_template('msg.idl.em', data, output_file, encoding='iso-8859-1')
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_adapter/resource/__init__.py", line 23, in expand_template
  content = evaluate_template(template_name, data)
File "/opt/ros/humble/local/lib/python3.10/dist-packages/rosidl_adapter/resource/__init__.py", line 69, in evaluate_template
  _interpreter.shutdown()

AttributeError: 'NoneType' object has no attribute 'shutdown'

Call Stack (most recent call first):
/opt/ros/humble/share/rosidl_cmake/cmake/rosidl_generate_interfaces.cmake:130 (rosidl_adapt_interfaces)
CMakeLists.txt:241 (rosidl_generate_interfaces)

---

Failed <<< livox_ros_driver2 [5.05s, exited with code 1]
Aborted <<< livox_sdk2 [7.50s]

Summary: 0 packages finished [7.65s]
1 package failed: livox_ros_driver2
1 package aborted: livox_sdk2
2 packages had stderr output: livox_ros_driver2 livox_sdk2

what can i do to handle this issue