[Chameleon] error

[ayub kabeba]

hi.
i installed ms4w 2.3.1 zip and chameleon 2.2.1 zip and when i run
http://localhost/myapp/index.phtml. i get these errors

*Warning*: dl() [function.dl <http://localhost/myapp/function.dl>]: Unable
to load dynamic library '/ms4w/Apache/php/ext/php_mapscript_48.dll' - The
specified module could not be found. in *
C:\ms4w\apps\chameleon\htdocs\chameleon.php* on line *487*

*Fatal error*: Call to undefined function ms_ResetErrorList() in *
C:\ms4w\apps\chameleon\htdocs\chameleon.php* on line *627*

any suggestions
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