Notice: Undefined index: cuotn in C:\Apache24\htdocs\test\ventas\modificavenc.php on line 28

Notice: Undefined index: fecha in C:\Apache24\htdocs\test\ventas\modificavenc.php on line 29

Fatal error: Uncaught PDOException: SQLSTATE[42000]: [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]Incorrect syntax near '='. in C:\Apache24\htdocs\test\ventas\modificavenc.php:43 Stack trace: #0 C:\Apache24\htdocs\test\ventas\modificavenc.php(43): PDOStatement->execute() #1 {main} thrown in C:\Apache24\htdocs\test\ventas\modificavenc.php on line 43