Faustus respec showing billions of gold on screen

When I attempt to respec a Scavenger ascendancy node, Faustus shows my gold as going from 19127 > 4,294,948,903. I'm not hitting the button because that seems like a disaster.

Image (not familiar with imgur, sorry if link is busted:
https://imgur.com/a/kWjzSIj

Level 81 Scavenger with the foxshade and void battery ascendancy passives allocated, 2 ascendancy points unused (3 unused when clicking the void battery to respec in the Faustus respec interface).

Bug report reference number: 2,878,632,249