...in order for them to be repaired... This too is as I wrote above (Opening 41) that all this was necessary for the sake of the eventual repair. For as long as the actual damage had not occurred so as to prepare things to be repaired through the mystery of the return of evil to good, the light (of the new MaH) could not come (so as to return to the vessels after they broke). On the contrary, it was precisely for this purpose that the light was concealed – to allow the vessels to carry out this function.
Tikkun Through Breaking Down and Rebuilding Stronger
Kalach Pitchei Chokhmah 46:6