Notice: Undefined index: coduser in C:\Apache24\htdocs\test\admin\asignavend.php on line 166

Fatal error: Uncaught PDOException: SQLSTATE[42000]: [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]Incorrect syntax near '='. in C:\Apache24\htdocs\test\admin\asignavend.php:174 Stack trace: #0 C:\Apache24\htdocs\test\admin\asignavend.php(174): PDOStatement->execute() #1 {main} thrown in C:\Apache24\htdocs\test\admin\asignavend.php on line 174