| @@ -87,7 +87,7 @@ | ||
| 87 | 87 | return; | 
| 88 | 88 | } | 
| 89 | 89 |      if($this->hasItems([$uniqueProperty => $newItem->$uniqueProperty])) { | 
| 90 | -      throw new \RuntimeException("Duplicate $uniqueProperty {$newItem->$uniqueProperty}."); | |
| 90 | +      throw new \RuntimeException("duplicate $uniqueProperty {$newItem->$uniqueProperty}."); | |
| 91 | 91 | } | 
| 92 | 92 | } | 
| 93 | 93 | |