Make menuconfig appear the error

Hi all,
before I modify Nuttx Configuration , make px4fmu-v2_default is no problem . But , after using “make px4fmu-v2_default menuconfig_px4fmu-v2”, I try to make px4fmu-v2_default . the problem is appear.

bash-3.2# make px4fmu-v2_default

– Build files have been written to: /Users/weiwentan/src/worspace/LS132Gps/LS132RX/build_px4fmu-v2_default
[66/538] Building NuttX for px4fmu-v2 with nsh
FAILED: px4fmu-v2/NuttX/nuttx/nuttx-export/include/nuttx/config.h
cd /Users/weiwentan/src/worspace/LS132Gps/LS132RX/build_px4fmu-v2_default && /bin/rm -rf /Users/weiwentan/src/worspace/LS132Gps/LS132RX/build_px4fmu-v2_default/px4fmu-v2/NuttX/nuttx/nuttx-export && /usr/bin/make --no-print-directory --quiet -C /Users/weiwentan/src/worspace/LS132Gps/LS132RX/build_px4fmu-v2_default/px4fmu-v2/NuttX/nuttx -r CONFIG_ARCH_BOARD=px4fmu-v2 export > nuttx_build.log
make[1]: *** [arch/arm/src/board] Error 1
[67/538] Building NuttX for px4io-v2 with nsh
ninja: build stopped: subcommand failed.
make: *** [px4fmu-v2_default] Error 1

my English is not very well ! thanks!