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Deprecated: mysqli_real_escape_string(): Passing null to parameter #2 ($string) of type string is deprecated in C:\webs\mdvse.com\itemfull.php on line 4

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 C:\webs\mdvse.com\itemfull.php:6 Stack trace: #0 C:\webs\mdvse.com\itemfull.php(6): mysqli_query() #1 {main} thrown in C:\webs\mdvse.com\itemfull.php on line 6