fix relations

repositories/ImportRepository.go

@@ -241,11 +241,20 @@ func (importer *Importer) ImportProduct(product models.Product) (instance *Impor
 		var relation []gm.ProductRelation
 		for index, variant := range linkedProducts {
 			//spoint := "color" + strconv.Itoa(index)
-			for _, item := range append(linkedProducts[:index], linkedProducts[index+1:]...) {
+			temp := make([]gm.Product, len(linkedProducts))
+
+			copy(temp, linkedProducts)
+
+			if index+1 <= len(temp) {
+				temp = append(temp[:index], temp[index+1:]...)
+
+				for _, item := range temp {
 					relation = append(relation, gm.ProductRelation{ParentID: variant.ID, ChildID: item.ID})
 				}
 			}
 
+		}
+
 		if err := importer.baza.Create(&relation).Error; err != nil {
 			log.Println(err)
 		}