versions=product.versions
          if versions.any?
            versions.each do |version|
              temp_product=version.reify
              project_product_versions_array=[]
              if temp_product.project_id==project_id
               #add current version to array if it has right project
                project_product_versions_array << temp_product.version
              end
               #set the last version as final project version
              project_version=project_product_versions_array.last
              @project_product=project_version.reify #the problem appears here
               #cuz it doesn't see the method reify for nil class
               #so array doesn't really work
            end
          else
            @project_product=product
          end