iwr6843isk运行out_of_box_demo

出现的错误提示如下：

undefined first referenced
symbol in file
--------- ----------------
mmwDemo_flashInit ./mss_main.oer4f
mmwDemo_flashRead ./mss_main.oer4f
mmwDemo_flashWrite ./mss_main.oer4f

error #10234-D: unresolved symbols remain

error #10010: errors encountered during linking; "xwr68xx_mmw_demo_mss.xer4f" not built
>> Compilation failure
makefile:175: recipe for target 'xwr68xx_mmw_demo_mss.xer4f' failed
gmake[2]: *** [xwr68xx_mmw_demo_mss.xer4f] Error 1
gmake[1]: *** [main-build] Error 2
gmake: *** [all] Error 2
makefile:171: recipe for target 'main-build' failed
makefile:166: recipe for target 'all' failed

**** Build Finished ****

请问该文档有参考过吗？使用的toolbox版本是多少？
dev.ti.com/.../node