int(2) string(124) "Cannot modify header information - headers already sent by (output started at /home/renterre/public_html/lib/common.php:238)" string(56) "/home/renterre/public_html/subdomain/middle/property.php" int(200)

Error

 
[2] 
Cannot modify header information - headers already sent by (output started at /home/renterre/public_html/lib/common.php:238)
@line /home/renterre/public_html/subdomain/middle/property.php in file 200

Debug Backtrace

#1 property.php:200 -- header(...)
197:         }
198: 		}
199: 	  else{	// User try to access inactive property , restirct to do it and redirect him to index page from here 
200: 	  	header("location:".FILE_INDEX."?msg=invalid");
201: 	  	exit;
202: 	  }
203: 	 }
#2 common.php:293 -- include(...)
290: 	  // Check file exist within this subdomain - if not redirect user to Rr
291: 	 if(file_exists(DIR_INTERNAL_INCLUDE_PATH."/".$filename11)){
292: 	  	 // Fetch page from Subdomain directory
293: 		  include(DIR_INTERNAL_INCLUDE_PATH."/".$filename11);
294: 		  exit;
295: 	  }elseif(strtolower(dirname($_SERVER['SCRIPT_NAME'])) == "/sitecpanel" || strtolower(dirname($_SERVER['SCRIPT_NAME'])) == "sitecpanel"){
296: 	  	 	if(basename($_SERVER['SCRIPT_NAME'])!='getRenterCity.php'){
#3 property.php:3 -- require_once(...)
1: <?php
2: 	
3: 	require_once("lib/common.php");
4: 
5: 	/**
6: 	 * Here comes the code for the PHP data fetching and database code