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Notice: Undefined index: asiento in C:\Apache24\htdocs\test\stock\reganuprov.php on line 73

Fatal error: Uncaught PDOException: SQLSTATE[42000]: [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]Incorrect syntax near '='. in C:\Apache24\htdocs\test\stock\reganuprov.php:126 Stack trace: #0 C:\Apache24\htdocs\test\stock\reganuprov.php(126): PDOStatement->execute() #1 {main} thrown in C:\Apache24\htdocs\test\stock\reganuprov.php on line 126