An internal error occurred during: "Removing compiler problem markers...".
java.lang.NullPointerException
FB 4.5. I know the old FB has a file .markers you could delete, but where does 4.5 keep these?
Sometimes the markers will disappear with "clean", but not always.
Richard
Do you sometimes see two copies of all your errors? If so, I think you might have a project that's created in a different location than your source code http://flexdiary.blogspot.com/2012/07/when-good-flash-builderflash-pro .html
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