Warning: Undefined variable $connhr2u in E:\laragon\www\eprofiling\p4g3\p4g3s_02.php on line 4

Fatal error: Uncaught TypeError: sqlsrv_query(): Argument #1 ($conn) must be of type resource, null given in E:\laragon\www\eprofiling\p4g3\p4g3s_02.php:4 Stack trace: #0 E:\laragon\www\eprofiling\p4g3\p4g3s_02.php(4): sqlsrv_query(NULL, 'SELECT * FROM S...', Array, Array) #1 {main} thrown in E:\laragon\www\eprofiling\p4g3\p4g3s_02.php on line 4