example code error - "util/delay.h: No such file or directory"

[gkeepleft]

Hi Im having the following error when trying to upload the example code.

Please help.

ResolveLibrary(util/delay.h) -> candidates: [] In file included from E:\My Drive! Projects\Gazebo\sk6812_test\sk6812_test.ino:1:0: C:\Users\Graham\Documents\Arduino\libraries\Arduino_SK6812-master/SK6812.h:4:24: fatal error: util/delay.h: No such file or directory compilation terminated. Using library Arduino_SK6812-master in folder: C:\Users\Graham\Documents\Arduino\libraries\Arduino_SK6812-master (legacy) exit status 1 Error compiling for board ESP32 Dev Module.