Fatal error: Uncaught TypeError: Return value of getTableNameFromSQL() must be of the type string, bool returned in /home/aereo/public_html/ecommerce/excelExport.php:54 Stack trace: #0 /home/aereo/public_html/ecommerce/excelExport.php(63): getTableNameFromSQL('') #1 {main} thrown in /home/aereo/public_html/ecommerce/excelExport.php on line 54