Need Help with URM06-RS485

Hi,

Please help

SKU Number : SKU:SEN0149
Arduino IDE : 1.8.7

I am using the library and the sample code from wiki
https://www.dfrobot.com/wiki/index.php/ ... KU:SEN0149

Since the library here not available :
http://www.dfrobot.com.cn/download/URM_RS485.zip

I am using the library from :
https://github.com/DFRobot/URM/tree/master/URM_RS485

But got this error message :
exit status 1
Error compiling for board Arduino/Genuino Uno.

Arduino: 1.8.7 (Windows 10), Board: "Arduino/Genuino Uno"