编译后是这样子的：
linking...
.ObjectsLED.axf: Error: L6218E: Undefined symbol assert_param (referred from misc.o).
Not enough information to list image symbols.
Finished: 1 information, 0 warning and 1 error messages.
".ObjectsLED.axf" - 1 Error(s), 380 Warning(s).
Target not created.
Build Time Elapsed:  00:00:14


里面说的是：".ObjectsLED.axf" ，Target not created.
请问该如何解决