Build failed for esp32

[iiZtZahran]

this pops after building and here is the text format of it:
KeyError: '':
File "/home/zahran/.platformio/penv/lib/python3.11/site-packages/platformio/builder/main.py", line 173:
env.SConscript("$BUILD_SCRIPT")
File "/home/zahran/.platformio/packages/tool-scons/scons-local-4.7.0/SCons/Script/SConscript.py", line 612:
return _SConscript(self.fs, *files, **subst_kw)
File "/home/zahran/.platformio/packages/tool-scons/scons-local-4.7.0/SCons/Script/SConscript.py", line 279:
exec(compile(scriptdata, scriptname, 'exec'), call_stack[-1].globals)
File "/home/zahran/.platformio/platforms/raspberrypi/builder/main.py", line 253:
target_elf = env.BuildProgram()
File "/home/zahran/.platformio/packages/tool-scons/scons-local-4.7.0/SCons/Util/envs.py", line 251:
return self.method(*nargs, **kwargs)
File "/home/zahran/.platformio/penv/lib/python3.11/site-packages/platformio/builder/tools/piobuild.py", line 62:
env.ProcessProjectDeps()
File "/home/zahran/.platformio/packages/tool-scons/scons-local-4.7.0/SCons/Util/envs.py", line 251:
return self.method(*nargs, **kwargs)
File "/home/zahran/.platformio/penv/lib/python3.11/site-packages/platformio/builder/tools/piobuild.py", line 152:
plb = env.ConfigureProjectLibBuilder()
File "/home/zahran/.platformio/packages/tool-scons/scons-local-4.7.0/SCons/Util/envs.py", line 251:
return self.method(*nargs, **kwargs)
File "/home/zahran/.platformio/penv/lib/python3.11/site-packages/platformio/builder/tools/piolib.py", line 1202:
project.install_dependencies()
File "/home/zahran/.platformio/penv/lib/python3.11/site-packages/platformio/builder/tools/piolib.py", line 987:
if _is_builtin(spec):
File "/home/zahran/.platformio/penv/lib/python3.11/site-packages/platformio/builder/tools/piolib.py", line 979:
for lb in self.env.GetLibBuilders():
File "/home/zahran/.platformio/packages/tool-scons/scons-local-4.7.0/SCons/Util/envs.py", line 251:
return self.method(*nargs, **kwargs)
File "/home/zahran/.platformio/penv/lib/python3.11/site-packages/platformio/builder/tools/piolib.py", line 1115:
lb = LibBuilderFactory.new(env, lib_dir)
File "/home/zahran/.platformio/penv/lib/python3.11/site-packages/platformio/builder/tools/piolib.py", line 60:
obj = globals()[clsname](env, path, verbose=verbose)
File "/home/zahran/.platformio/penv/lib/python3.11/site-packages/platformio/builder/tools/piolib.py", line 153:
self.process_extra_options()
File "/home/zahran/.platformio/penv/lib/python3.11/site-packages/platformio/builder/tools/piolib.py", line 301:
self.env.SConscript(
File "/home/zahran/.platformio/packages/tool-scons/scons-local-4.7.0/SCons/Script/SConscript.py", line 612:
return _SConscript(self.fs, *files, **subst_kw)
File "/home/zahran/.platformio/packages/tool-scons/scons-local-4.7.0/SCons/Script/SConscript.py", line 279:
exec(compile(scriptdata, scriptname, 'exec'), call_stack[-1].globals)
File "/home/zahran/Downloads/linorobot2_hardware-rolling/firmware/.pio/libdeps/pico/micro_ros_platformio/extra_script.py", line 158:
build_microros()
File "/home/zahran/Downloads/linorobot2_hardware-rolling/firmware/.pio/libdeps/pico/micro_ros_platformio/extra_script.py", line 100:
builder.run('{}/metas/{}'.format(main_path, selected_board_meta), cmake_toolchain.path, microros_user_meta)
File "/home/zahran/Downloads/linorobot2_hardware-rolling/firmware/.pio/libdeps/pico/micro_ros_platformio/microros_utils/library_builder.py", line 63:
self.download_dev_environment()
File "/home/zahran/Downloads/linorobot2_hardware-rolling/firmware/.pio/libdeps/pico/micro_ros_platformio/microros_utils/library_builder.py", line 96:
for repo in Sources.dev_environments[self.distro]:

[hippo5329]

Maybe you did not source your ros env.

source /opt/ros/humble/setup.bash

Or

echo "source /opt/ros/humble/setup.bash" >> ~/.bashrc
source ~/.bashrc

Or Uncomment the line in firmware/platformio.ini

[env:esp32]
...
board_microros_distro = humble

[hippo5329]

More info on esp32 usage.

https://github.com/hippo5329/linorobot2_hardware/wiki