SGF Bug, Stones with switched colours

In this game
I downloaded this sgf that when opened in GoGui produced a ‘duplicate property in c node’ error.
It seems that displayed stones in the game had switched colours.

976861-030-gimpf-Madita.sgf (692 Bytes)

Anyone to triage or confirm this?

I wonder if it’s related to this (known) bug:

Uploaded SGF:
Game forked from that SGF:

yuck… i’ve added it to the to-fix list, sorry about that!