| @@ -736,9 +736,9 @@ | ||
| 736 | 736 | if ( empty( $title ) ) { |
| 737 | 737 | $title = $this->_chart->ID; |
| 738 | 738 | } |
| 739 | 739 | $settings['internal_title'] = $title; |
| 740 | - $settings_label = $settings['pieResidueSliceLabel']; | |
| 740 | + $settings_label = isset( $settings['pieResidueSliceLabel'] ) ? $settings['pieResidueSliceLabel'] : ''; | |
| 741 | 741 | if ( empty( $settings_label ) ) { |
| 742 | 742 | $settings['pieResidueSliceLabel'] = esc_html__( 'Other', 'visualizer' ); |
| 743 | 743 | } else { |
| 744 | 744 | $settings['pieResidueSliceLabel'] = $settings_label; |
