B4R Question problems for com port

[ta1dr]

Hello All
I have com port error I update arduino programs and usb drivers (version 1.6.12) and compiler my code give error I didnt understant ;

BTW: I can upload C code on arduino programs...

B4R version: 1.20
Parsing code.    (0.01s)
Compiling code.    (0.01s)
Building project    (0.02s)
Compiling & deploying Ino project (Arduino Nano - COM4)    Error
Loading configuration...
java.lang.NullPointerException
    at processing.app.BaseNoGui.selectSerialPort(BaseNoGui.java:1088)
    at processing.app.helpers.CommandlineParser.parseArgumentsPhase1(CommandlineParser.java:143)
    at processing.app.Base.<init>(Base.java:273)
    at processing.app.Base.guardedMain(Base.java:219)
    at processing.app.Base.main(Base.java:132)

 

[Erel]

This is a bug in Arduino IDE 1.6.12 (https://github.com/arduino/Arduino/issues/5413) . You should use 1.6.11: https://www.arduino.cc/download_handler.php?f=/arduino-1.6.11-windows.exe

 

[ta1dr]

thanks for help 1.6.11 work well
regards