[dokuwiki] Re: Howto debug php "Cannot modify header information" errors

Oliver Schulze L. writes:


Hi,
I'm having a litle issue in my DW installation, I'm getting this messages
in the apache error_log:
PHP Warning: Cannot modify header information - headers already sent in Unknown on line 0
Probably not a problem in any DokuWiki file - you should get a filename instead of Unknown then. Maybe you added some preload file in your php.ini which starts the output? 

Andi

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