Notice: Undefined index: asiento in C:\Apache24\htdocs\test\stock\reganudev.php on line 69

Fatal error: Uncaught PDOException: SQLSTATE[42000]: [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]Incorrect syntax near '='. in C:\Apache24\htdocs\test\stock\reganudev.php:84 Stack trace: #0 C:\Apache24\htdocs\test\stock\reganudev.php(84): PDOStatement->execute() #1 {main} thrown in C:\Apache24\htdocs\test\stock\reganudev.php on line 84