ERROR: SQLSTATE[HY000]: pdo_oci_handle_factory: ORA-12543: TNS:destination host unreachable Help: https://docs.oracle.com/error-help/db/ora-12543/ (/builddir/build/BUILD/php-8.2.28/ext/pdo_oci/oci_driver.c:778)
Fatal error: Uncaught Error: Call to a member function prepare() on null in /var/www/html/bwdbhims/hydro/php_crud/my_class.php:4138 Stack trace: #0 /var/www/html/bwdbwebdev/trade.php(119): my_class->View_colmn_By_Cond() #1 /var/www/html/bwdbwebdev/index.php(70): include('...') #2 {main} thrown in /var/www/html/bwdbhims/hydro/php_crud/my_class.php on line 4138