[MapServer Error]: msCalculateScale():

[nasir mahmood]

Hi,
   when I tries to display a map, i get this error

Warning: [MapServer Error]: msCalculateScale(): Invalid image extent. in C:\Program Files\Apache Group\Apache2\htdocs\programes\europe\europe.php on line 6

How can I come to extent of an image which I can draw with some given shape file.
Thanks a lot in advance.

Regards,
Nasir



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