Unable to compile Custom Core Sketch


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Hi,

 

I am trying to compile the Custom Core Sketch from the tutorial here.

(refer 1st video at about 4:30)

 

The error I am getting is:

      0 [main] cp 1536 find_fast_cwd: WARNING: Couldn't compute FAST_CWD pointer.  Please report this problem to
the public mailing list cygwin@cygwin.com
Executing  C:\papilio-zap-ide\hardware\tools\avr\bin\avr-size -A C:\Users\Hema\AppData\Local\Temp\build5889636512942399234.tmp/AVR8_Custom_User_Core.cpp.hex
Binary sketch size: 388 bytes (of a 16,384 byte maximum) - 2% used
java.lang.NullPointerException
at processing.app.debug.BasicUploader.uploadUsingProgrammer(BasicUploader.java:258)
at processing.app.debug.BasicUploader.uploadUsingPreferences(BasicUploader.java:62)
at processing.app.Sketch.upload(Sketch.java:1678)
at processing.app.Sketch.exportApplet(Sketch.java:1620)
at processing.app.Sketch.exportApplet(Sketch.java:1592)
at processing.app.Editor$DefaultExportHandler.run(Editor.java:2607)
at java.lang.Thread.run(Thread.java:619)
 
 
Under boards I have selected the Papilio Custom Bit File and I am using the ZAP IDE. I've been stuck because of this since yesterday. Any advice would be helpful. 
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