Hello there, i just installed this modual..

All seems to work just fine. however i do have this one error when i try and delete emails older than 6months old. I also tried to DEL orders older than 12 months, but get the same error

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Warning: Cannot modify header information - headers already sent by (output started at /homepages/23/d173543998/htdocs/admin/email_history.php:62) in /homepages/23/d173543998/htdocs/admin/includes/functions/general.php on line 34
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can anyone help me
i couldnt find an active topic for this contrib. if im posting in the wrong spot, please inform me.
thanks in advance
Benjamin