[Mapserver-users] gd-png: fatal libpng error: Invalid number of colors in palette

[pkishor_98]

In my continuing (unsuccessful) adventures with drawLegendIcon, I have encountered 
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gd-png:  fatal libpng error: Invalid number of colors in palette
gd-png error: setjmp returns error condition

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does anyone have any idea what is going on? btw, other commands (such as 
createLegendIcon) work just fine.

Mapserver 3.6, perl.

Tia,

Puneet.