java.lang.NullPointerException

Posted by Thomas GUILBERT on
URL: http://imagej.273.s1.nabble.com/java-lang-NullPointerException-tp5001915.html

Dear All,

I'm used to built macros for my biologists friends, and randomly this kind of message appears :

java.lang.NullPointerException
at ij.gui.Roi.....
(see attachement)

Could somebody please explain me the reason ? I just don't get it.

Thank you,
TG.

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