Warning: Undefined array key "codigo" in C:\xampp\htdocs\mobile\colrec.php on line 4

Warning: Undefined array key "usuario" in C:\xampp\htdocs\mobile\colrec.php on line 5
update coletas set statusmobile = 2 , dtreccelular = CURRENT_TIMESTAMP() , usuimporta = '' where codigo =
Fatal error: Uncaught PDOException: SQLSTATE[42000]: Syntax error or access violation: 1064 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 C:\xampp\htdocs\mobile\colrec.php:8 Stack trace: #0 C:\xampp\htdocs\mobile\colrec.php(8): PDO->query('update coletas ...') #1 {main} thrown in C:\xampp\htdocs\mobile\colrec.php on line 8