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  VS Arduino › Visual Micro › Installation & Troubleshooting › Cannot compile: Object reference not set to an instance of an object
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Normal Topic Cannot compile: Object reference not set to an instance of an object (Read 3239 times)
Julle
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Cannot compile: Object reference not set to an instance of an object
Sep 13th, 2016 at 1:44pm
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Hi All.

Just installed Visual Studio 2015 Pro, Arduino IDE 1.6.11 and Visual Micro.
However, I'm not able to compile, I get an error:

"Compiling debug version of 'Blink' for 'Arduino/Genuino Mega w/ ATmega2560 (Mega 2560)'
     Preprocess: "{runtime.tools.avr-gcc.path}\bin\avr-g++" -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -flto -w -x c++ -E -CC -mmcu=atmega2560 -DF_CPU=16000000L -DARDUINO=106011 -DARDUINO_AVR_MEGA2560 -DARDUINO_ARCH_AVR -I"C:\ProjectsHome\ArduinoIDE\hardware\arduino\avr\cores\arduino" -I"C:\ProjectsHome\ArduinoIDE\hardware\arduino\avr\variants\mega" "C:\Users\abc\AppData\Local\Temp\VMicroBuilds\Blink\mega_atmega2560\Blink.cpp" -o "nul"
   Object reference not set to an instance of an object"

What can cause this issue?
I believe the settings for the Arduino IDE location should be just fine.

Thanks, Alex.

« Last Edit: Sep 13th, 2016 at 1:45pm by Julle »  
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Tim@Visual Micro
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Re: Cannot compile: Object reference not set to an instance of an object
Reply #1 - Sep 13th, 2016 at 5:48pm
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Hi,

Open Board Manager in the Micro Explorer and Click the Rescan button then restart the ide.

They have been messing with the index file location. There is now one location for users who have never installed other hardware and one for users who only use the atmel avr below the arduino ide.

The rescan should sort it out for now.
  
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Julle
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Re: Cannot compile: Object reference not set to an instance of an object
Reply #2 - Sep 14th, 2016 at 7:02am
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Thanks! That solved the issue!

Regards, Alex.
  
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