diff --git src/bp-templates/bp-nouveau/includes/messages/ajax.php src/bp-templates/bp-nouveau/includes/messages/ajax.php
index fbca07eb2..c66c40ba6 100644
--- src/bp-templates/bp-nouveau/includes/messages/ajax.php
+++ src/bp-templates/bp-nouveau/includes/messages/ajax.php
@@ -107,7 +107,7 @@ function bp_nouveau_ajax_messages_send_message() {
  */
 function bp_nouveau_ajax_messages_send_reply() {
 	$response = array(
-		'feedback' => __( 'There was a problem sending your reply. Please try again.', 'buddypress' ),
+		'feedback' => '<div class="bp-feedback error"><span class="bp-icon" aria-hidden="true"></span><p>' . __( 'There was a problem sending your reply. Please try again.', 'buddypress' ) . '</p></div>',
 		'type'     => 'error',
 	);
 
@@ -197,7 +197,7 @@ function bp_nouveau_ajax_messages_send_reply() {
 function bp_nouveau_ajax_get_user_message_threads() {
 	global $messages_template;
 
-	if ( empty( $_POST['nonce'] ) ||  !wp_verify_nonce( $_POST['nonce'], 'bp_nouveau_messages' ) ) {
+	if ( empty( $_POST['nonce'] ) || ! wp_verify_nonce( $_POST['nonce'], 'bp_nouveau_messages' ) ) {
 		wp_send_json_error( array(
 			'feedback' => '<div class="bp-feedback error"><span class="bp-icon" aria-hidden="true"></span><p>' . __( 'Unauthorized request.', 'buddypress' ) . '</p></div>',
 			'type'     => 'error'
diff --git src/bp-templates/bp-nouveau/js/buddypress-messages.js src/bp-templates/bp-nouveau/js/buddypress-messages.js
index 902215e2b..e706a69f7 100644
--- src/bp-templates/bp-nouveau/js/buddypress-messages.js
+++ src/bp-templates/bp-nouveau/js/buddypress-messages.js
@@ -1209,8 +1209,10 @@ window.bp = window.bp || {};
 			this.views.add( '#bp-message-thread-header', new bp.Views.userMessagesHeader( { model: this.options.thread } ) );
 		},
 
-		messagesFetchError: function( collection ) {
-			console.log( collection );
+		messagesFetchError: function( collection, response ) {
+			if ( response.feedback && response.type ) {
+				bp.Nouveau.Messages.displayFeedback( response.feedback, response.type );
+			}
 		},
 
 		addMessage: function( message ) {
@@ -1252,7 +1254,9 @@ window.bp = window.bp || {};
 		},
 
 		replyError: function( response ) {
-			console.log( response );
+			if ( response.feedback && response.type ) {
+				bp.Nouveau.Messages.displayFeedback( response.feedback, response.type );
+			}
 		}
 	} );