Fatal error: Uncaught Error: Interface "SimpleExcel\Writer\IWriter" not found in /home/prd/public_html/candidate/vendor/faisalman/simple-excel-php/src/SimpleExcel/Writer/BaseWriter.php:11 Stack trace: #0 {main} thrown in /home/prd/public_html/candidate/vendor/faisalman/simple-excel-php/src/SimpleExcel/Writer/BaseWriter.php on line 11