Bulk_Upgrader_Skin::error( string|WP_Error $errors )

128	public function error( $errors ) {129		if ( is_string( $errors ) && isset( $this->upgrader->strings[ $errors ] ) ) {130			$this->error = $this->upgrader->strings[ $errors ];131		}132 133		if ( is_wp_error( $errors ) ) {134			$messages = array();135			foreach ( $errors->get_error_messages() as $emessage ) {136				if ( $errors->get_error_data() && is_string( $errors->get_error_data() ) ) {137					$messages[] = $emessage . ' ' . esc_html( strip_tags( $errors->get_error_data() ) );138				} else {139					$messages[] = $emessage;140				}141			}142			$this->error = implode( ', ', $messages );143		}144		echo '<script>jQuery(\'.waiting-' . esc_js( $this->upgrader->update_current ) . '\').hide();</script>';145	}