Describe what the bug is in your own words.]
When special summoned onto the field, its effect to target another Abhyss monster in the Graveyard to special summon does not trigger.
Bug reproduction steps
Write the exact steps to reproduce the bug. Provide a replay code if you can. You can attach replay codes, or use a pastebin link or you can even use a spoiler tag using]
your replay code
Special summon Curse, Dawn of the Abhyss from the Graveyard while there is another suitable target in the graveyard for him to summon. I have tributed a variety of monsters to summon him, and yet his effect still does not activate.
Screenshot OR error code
Tell us what should have happened when the bug occurred.]
His effect should trigger when special summoned by his own effect, targeting an appropriate Abhyss monster from the graveyard and special summoning it to the field.