Fatal error: Uncaught exception 'Exception' with message 'Invalid cell coordinate.' in /nfsmnt/hosting1_2/3/c/3c3ab7ce-afee-4f5b-af89-1e72dcf6141d/strelnicahubert.sk/web/common/classes/excel/PHPExcel/Cell.php:265 Stack trace: #0 /nfsmnt/hosting1_2/3/c/3c3ab7ce-afee-4f5b-af89-1e72dcf6141d/strelnicahubert.sk/web/common/classes/excel/PHPExcel/Writer/HTML.php(992): PHPExcel_Cell->getCalculatedValue() #1 /nfsmnt/hosting1_2/3/c/3c3ab7ce-afee-4f5b-af89-1e72dcf6141d/strelnicahubert.sk/web/common/classes/excel/PHPExcel/Writer/HTML.php(378): PHPExcel_Writer_HTML->_generateRow(Object(PHPExcel_Worksheet), Array, 1) #2 /nfsmnt/hosting1_2/3/c/3c3ab7ce-afee-4f5b-af89-1e72dcf6141d/strelnicahubert.sk/web/common/classes/excel/PHPExcel/Writer/HTML.php(176): PHPExcel_Writer_HTML->generateSheetData() #3 /nfsmnt/hosting1_2/3/c/3c3ab7ce-afee-4f5b-af89-1e72dcf6141d/strelnicahubert.sk/web/pages/xls2html.php(17): PHPExcel_Writer_HTML->save('/nfsmnt/hosting...') #4 {main} thrown in /nfsmnt/hosting1_2/3/c/3c3ab7ce-afee-4f5b-af89-1e72dcf6141d/strelnicahubert.sk/web/common/classes/excel/PHPExcel/Cell.php on line 265