İ can't install cm13?!

Hi guys,i have a s4 mini(GT-I9190),maybe because of where i live i have kitkat 4.2.2(google doesn't support this phones firmware upgrades anymore) and this version is the latest i can get.İs that the reason maybe why i can't install cm13?Yes i rooted my mobile i know how to do it,but i still don't understand it.Thanks in advance!:)

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