Problem while do make px4_sitl

when I input make px4_sitl jmavsim, my terminal shows:
[31/527] Generating git version header
FAILED: src/lib/version/build_git_version.h
cd /home/chenjiayi/PX4-Autopilot && /usr/bin/python3 /home/chenjiayi/PX4-Autopilot/src/lib/version/px_update_git_header.py /home/chenjiayi/PX4-Autopilot/build/px4_sitl_default/src/lib/version/build_git_version.h --validate
Traceback (most recent call last):
File “/home/chenjiayi/PX4-Autopilot/src/lib/version/px_update_git_header.py”, line 153, in
nuttx_git_tag = re.findall(r’nuttx-[0-9]+.[0-9]+.[0-9]+’, nuttx_git_tags)[-1].replace(“nuttx-”, “v”)
IndexError: list index out of range
[40/527] Building CXX object src/drivers/pwm_out_sim/CMakeFiles/drivers__pwm_out_sim.dir/PWMSim.cpp.o
ninja: build stopped: subcommand failed.
I don’t know why it occured like this.
Looking forward to help, thx

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