Notice: Undefined index: codgrupo in C:\Apache24\htdocs\real\ventas\muestrastock.php on line 105
Error: SQLSTATE[42000]: [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]Incorrect syntax near '='.
Notice: Undefined variable: grupo in C:\Apache24\htdocs\real\ventas\muestrastock.php on line 48

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\real\ventas\muestrastock.php:120 Stack trace: #0 C:\Apache24\htdocs\real\ventas\muestrastock.php(120): PDOStatement->execute() #1 {main} thrown in C:\Apache24\htdocs\real\ventas\muestrastock.php on line 120