WEB
whom heaven must receive until the times of restoration of all things, which God spoke long ago by the mouth of his holy prophets.
YLT
whom it behoveth heaven, indeed, to receive till times of a restitution of all things, of which God spake through the mouth of all His holy prophets from the age.
F.O.G Original
(21) whom surely the sky-above needed to accept, until restoration’s times of everything, which The Elohim spoke through His set-apart holy prophets from the age.
F.O.G
(21) whom surely the sky-above needed to accept, until restoration’s times of everything, which The Elohim spoke through His set-apart holy prophets from the age.
F.O.G MSG
²¹Heaven must receive Him until the time comes when God will restore everything, just as He promised long ago through His holy prophets.