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Sabre DAV: headers already sent warning

Created by: royalterra

Hi I see there a issue in PHP Warning: Cannot modify header information - headers already sent by (output started at /data/www/view/php/default.php:6) in /data/www/vendor/sabre/http/lib/Sapi.php on line 63

Possible can be solve with add at the top of the file ob_start();

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