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Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not open file ./archivo/20173/a121/flii/A121F_52c_2016.csv for writing.' in /oip/disco/opd/portalut/Classes/PHPExcel/Writer/CSV.php:116 Stack trace: #0 /oip/disco/opd/portalut/descargar.php(13): PHPExcel_Writer_CSV->save('./archivo/20173...') #1 {main} thrown in /oip/disco/opd/portalut/Classes/PHPExcel/Writer/CSV.php on line 116