| @@ -386,9 +386,9 @@ | ||
| 386 | 386 | { |
| 387 | 387 | $plotLabels = $this->plotLabel; |
| 388 | 388 | $this->plotLabel = []; |
| 389 | 389 | foreach ($plotLabels as $plotLabel) { |
| 390 | - $this->plotLabel[] = $plotLabel; | |
| 390 | + $this->plotLabel[] = clone $plotLabel; | |
| 391 | 391 | } |
| 392 | 392 | $plotCategories = $this->plotCategory; |
| 393 | 393 | $this->plotCategory = []; |
| 394 | 394 | foreach ($plotCategories as $plotCategory) { |
