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Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1 in /home/collect1/public_html/export_pdf.php:27 Stack trace: #0 /home/collect1/public_html/export_pdf.php(27): mysqli_query(Object(mysqli), 'SELECT * FROM u...') #1 {main} thrown in /home/collect1/public_html/export_pdf.php on line 27