[Chameleon] Chameleon error

[Steven De Vriendt]

 Can someone help me out with this error ?
When I open my Chameleon map I get the following error message:
**
*Warning*: imagepng()
[function.imagepng<http://10.109.2.100/chameleon/samples/function.imagepng>]:
Unable to open
'/ms4w/tmp/ms_tmp/buttons/b456a7df8c1b514117d456e788b076407.png' for writing
in *C:\ms4w\apps\chameleon\htdocs\common\buttonizer\buttonizer.php* on line
*637*
**
for about 20 times...
After about 5 seconds my map shows up and the chameleon sample interface,
yet above the lines with the error messsages.
Can someone help me out with this ? Is there something wrong with my ms_tmp
directory ?
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