B4R Question rLedControl & WeMos D1 board compiling error


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I just got my new WeMos D1 board but got the following error when I using it the rLedControl, any idea please? (no problem on UNO board). Thank you!

B4R version: 1.20
Parsing code.    (0.00s)
Compiling code.    (0.01s)
Building project    (0.02s)
Compiling & deploying Ino project (WeMos D1 R2 & mini (UploadSpeed=512000) - COM13)    Error

In file included from sketch\rLedControl.h:3:0,
                 from sketch\B4RDefines.h:24,
                 from C:\Development\B4R\LED Matrix plus 7 Segment\Objects\src\src.ino:1:
sketch\LedControl.h:30:26: fatal error: avr/pgmspace.h: No such file or directory
#include <avr/pgmspace.h>
compilation terminated.
exit status 1
Error compiling for board WeMos D1 R2 & mini.