Get "Cannot install" installing from amazon app store on fire tablet.

i tried to update my daughters version of minecraft on her fire tablet.
i usually do this by deleting and reinstalling the app
i have done this many times
last night i tried it again and after it downloads from the appstore it says cannot install.
i have reformatted my sd card and factory reset the tablet and have the same result.
amazon customer support tells me to contact mojang.
mojang tells me to report a bug.