patrizia.vergassola Posted November 28, 2014 Share Posted November 28, 2014 Hello, suddendly when I try to update the status of an order I get this error: Warning: Cannot modify header information - headers already sent by (output started at /home/xxxx/public_html/override/classes/Mail.php:1) in /home/xxxx/public_html/classes/Tools.php on line 143 Any clue? Thank you in advance Patrizia Link to comment Share on other sites More sharing options...
tuk66 Posted November 29, 2014 Share Posted November 29, 2014 The /override/classes/Mail.php causes an error. Can you find a module or patch which overrides this file and disable it? Link to comment Share on other sites More sharing options...
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