Attachment button missing

Hi Support ,

we are facing attachment button was missing issue , we are just installed wpdiscuz and never use before. and we are found similar issues and solutions .

https://gvectors.com/forum/media-uploader/no-attachments-button/
https://wpdiscuz.com/community/f-a-q/if-attach-an-image-button-doesnt-work/

after we tried to setting at wp-admin>setting> URL to https: and also access wp-config.php but we didn’t found any?

wp_home
wp_siteURL?

only these showing.

<?php
define( ‘WP_CACHE’, true ); // Added by WP Rocket

set_time_limit(300);

?// Added by WP Rocket
/**
?* The base configuration for WordPress
?*
?* The wp-config.php creation script uses this file during the
?* installation. You don’t have to use the web site, you can
?* copy this file to “wp-config.php” and fill in the values.
?*
?* This file contains the following configurations:
?*
?* * MySQL settings
?* * Secret keys
?* * Database table prefix
?* * ABSPATH
?*
?* @link https://codex.www.ads-software.com/Editing_wp-config.php
?*
?* @package WordPress
?*/
/
/**
?* Authentication Unique Keys and Salts.
?*
?* Change these to different unique phrases!
?* You can generate these using the {@link https://api.www.ads-software.com/secret-key/1.1/salt/ www.ads-software.com secret-key service}
?* You can change these at any point in time to invalidate all existing cookies. This will force all users to have to log in again.
?*
?* @since 2.6.0
?*/

?* WordPress Database Table prefix.
?*
?* You can have multiple installations in one database if you give each
?* a unique prefix. Only numbers, letters, and underscores please!
?*/
$table_prefix = ‘wo1_’;
define( ‘WP_DEBUG’, true );
define( ‘WP_DEBUG_DISPLAY’, false );
define( ‘WP_DEBUG_LOG’, true );
define( ‘DISABLE_WP_CRON’, true );
define( ‘DISALLOW_FILE_EDIT’, true );
/* That’s all, stop editing! Happy publishing. */
/** Absolute path to the WordPress directory. */
if ( ! defined( ‘ABSPATH’ ) ) {
define( ‘ABSPATH’, dirname( __FILE__ ) . ‘/’ );
}
/** Sets up WordPress vars and included files. */
require_once ABSPATH . ‘wp-settings.php’;