新手求助，到底什么问题

撒旦撒打算的

..\OBJ\LED.axf: Warning: L6373W: libattrs.map file not found in System Library directory E:\ADS\LIB\armlib\. Library selection may be impaired.
..\OBJ\LED.axf: Warning: L6310W: Unable to find ARM libraries.
..\OBJ\LED.axf: Error: L6411E: No compatible library exists with a definition of startup symbol __main.
Not enough information to list image symbols.
Not enough information to list the image map.
Finished: 2 information, 2 warning and 1 error messages.
"..\OBJ\LED.axf" - 1 Error(s), 2 Warning(s).
Target not created.


没有改过的标准历程，一编写就这样，到底什么问题，谢谢

正点原子

装了ADS吧？
卸了吧。