Two different canonical when using SH404SEF and flexibreak plugin or multiple categories

Hi,

on item pages with flexibreak – except page 1, start – there are set two canonical urls.

With sh404SEF (see second link): sh404SEF disabled (see second link): Display method: Active page :: Paginate via Reload

Joomla! 3.5.0
FLEXIcontent 3.0.14-rc2
sh404SEF 4.7.3.3292

A second canonical is also inserted at item view which point of view actually is not the main category.
For example i have set item-1930 to category-A as main category and category-A/subcat-D as second category, i get … but only if url of point of view is not /category-A/item-1930 (main category)! On the view of main category there is only one canonical, the correct one. In this case it does not matter if SH404EF is enabled or disabled, its the same effect.