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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 MariaDB server version for the right syntax to use near '' at line 17 in /home/simplepos/public_html/v1/clases/scv.class.php:432 Stack trace: #0 /home/simplepos/public_html/v1/clases/scv.class.php(432): mysqli->query('select t.* ,s.s...') #1 /home/simplepos/public_html/web/top.php(169): Scv->listado_materiales('84', NULL) #2 /home/simplepos/public_html/web/agendamiento.php(1214): include('/home/simplepos...') #3 {main} thrown in /home/simplepos/public_html/v1/clases/scv.class.php on line 432