Thread:Project:Support desk/erorr :unexpected 'ini set'...see below

Hi I Have a problem in first run media wiki that :

Parse error: syntax error, unexpected 'ini_set' (T_STRING) in C:\wamp\www\LocalSettings.php on line 149 Call Stack 1	0.0000	141720	{main}	..\index.php:0 2	0.0000	156512	require( 'C:\wamp\www\includes\WebStart.php' )	..\index.p
 * 1) 	Time	Memory	Function	Location

my information: php:5.4.16 mysql:5.6.12 mediawiki:1.22.1 os:windows wampserver Local

tank