Notice: Undefined index: codclien in C:\Apache24\htdocs\test\ventas\selot2.php on line 18

Fatal error: Uncaught PDOException: SQLSTATE[42000]: [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]Incorrect syntax near the keyword 'AND'. in C:\Apache24\htdocs\test\ventas\selot2.php:32 Stack trace: #0 C:\Apache24\htdocs\test\ventas\selot2.php(32): PDOStatement->execute() #1 {main} thrown in C:\Apache24\htdocs\test\ventas\selot2.php on line 32