I can't update
[fred@fred ~]$ sudo pacman -Syu
Wachtwoord:
:: Synchronizing package databases...
kde-next is up to date
build is up to date
core is up to date
main is up to date
apps is up to date
:: Starting full system upgrade...
:: Replace prison-qt5 with kde-next/prison? [Y/n] y
oplossen van afhankelijkheden...
controle van interne conflicten...
:: opencv-qt5 and opencv are in conflict. Remove opencv? [y/N] y
error: failed to prepare transaction (kan niet alle afhankelijkheden voldoen)
:: frei0r-plugins: requires opencv
What must I do?