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@@ -276,8 +276,9 @@ class FlatViewDataGenerator
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$sum_categories_weight_array = array();
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$mainCategoryId = null;
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- if (!empty($this->getMainCourseCategory())) {
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- $mainCategoryId = $this->getMainCourseCategory()->get_id();
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+ $mainCourseCategory = $this->getMainCourseCategory();
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+ if (!empty($mainCourseCategory)) {
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+ $mainCategoryId = $mainCourseCategory->get_id();
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}
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if (isset($this->category) && !empty($this->category)) {
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