Handle post submit failures to Liaison API

bu-liaison-inquiry.php

@@ -278,6 +278,14 @@ function handle_liaison_inquiry() {
 		// Make the external API call.
 		$remote_submit = wp_remote_post( self::$submit_url, $post_args );
 
+		if ( is_wp_error( $remote_submit ) ) {
+			$return['status'] = 0;
+			$return['response'] = 'Failed submitting to Liaison API. Please retry. Error: ' . $remote_submit->get_error_message();
+			error_log( sprintf( '%s: %s', __METHOD__, $return['response'] ) );
+			echo json_encode( $return );
+			return;
+		}
+
 		// Decode the response and activate redirect to the personal url on success.
 		$resp = json_decode( $remote_submit['body'] );