Please add the given code in your wplms customizer.php file in wplms customizer plugin :
add_action( 'bp_after_member_activity_post_form', 'bp_global_activity' ); add_action( 'bp_activity_post_form_options', 'bp_global_activity' ); function bp_global_activity() { echo '<style> body.activity.bp-user #buddypress #buddydrive-btn, body.activity.directory #buddypress #buddydrive-btn, body.single-item.groups #buddypress #buddydrive-btn{ position: absolute; bottom: 22px; right: 120px; } #buddypress form#whats-new-form #whats-new-content { position: relative; } </style>'; // Always check the editor is available to prevent fatals! if (function_exists( 'buddydrive_editor' ) ) { // 'whats-new' is the id attribute of the textarea to publish activities buddydrive_editor( 'whats-new' ); } }