Debug message

hello,

i get this debug message after installing suffusion theme…

Strict Standards: Declaration of Suffusion_MM_Walker_Edit::end_lvl() should be compatible with Walker::end_lvl(&$output, $depth = 0, $args = Array) in /Applications/mampstack/apache2/htdocs/06/wp-kb01/wp-includes/theme.php on line 1578
Strict Standards: Declaration of Suffusion_MM_Walker_Edit::start_el() should be compatible with Walker::start_el(&$output, $object, $depth = 0, $args = Array, $current_object_id = 0) in /Applications/mampstack/apache2/htdocs/06/wp-kb01/wp-includes/theme.php on line 1578

what i do to fix it?

thanks

pixelkai