Cannot modify header information – headers already sent by (output started at

“Cannot modify header information – headers already sent by (output started at”

If you get a error saying so in wordpress after installing a plugin, the pretty simple reason could be there might be blanks spaces or enters after ?> in your plugin File. Simply remove those blank spaces (or enters) and this warning /Error should go off.

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4 Responses to “Cannot modify header information – headers already sent by (output started at”

1. Jayant Uppal
   

   Thanks for the info adi, must help lots of us out here

   
   March 8th, 2008 at 11:45 am
2. Adheeth
   

   @Jayant

   numerous occations ive found this error. It should be always after the ?> ending in php. To spot the location it’s easy, just follow to the line number as per the error and you can easily find that its after ?>. So just delete those blanks spaces and you are done. No more Headers already sent error.

   
   March 8th, 2008 at 5:32 pm
3. jayaraj
   

   starts with ob_start()

   ex:

   
   July 10th, 2009 at 8:10 am
4. jayaraj
   

   ex:

   
   July 10th, 2009 at 8:11 am

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