fatal error in logger.php

[reflexnut]

hello,

I have encountered this fatal error message when entering modules - payment option and delivery area.

Fatal error: Cannot redeclare class logger in /htdocs/shop/admin/includes/classes/logger.php on line 18

Line 18 in logger.php is -

{ class logger {
var $timer_start, $timer_stop, $timer_total;

I'am stuck any ideas will be a great help

mfg.
reflexnut