Fatal error: Uncaught Error: Call to undefined function sqlsrv_connect() in C:\Program Files\iis express\PHP\v7.4\track\index.php:10 Stack trace: #0 C:\Program Files\iis express\PHP\v7.4\track\index.php(3): OpenConnection() #1 {main} thrown in C:\Program Files\iis express\PHP\v7.4\track\index.php on line 10