You have not copied a spell using Jin-Gitaxias' first ability this turn.
Steps
Activate Chromatic Orrery's first ability by tapping it, adding ({5} magic symbol) .
Cast Ghostly Flicker by paying ({3} magic symbol) tageting any two applicable permanents.
Jin-Gitaxias' first ability triggers, creating a copy of Ghostly Flicker targeting any two applicable permanents.
Holding priority, activate Errant by paying ({2} magic symbol) and tapping it, creating a copy of the Ghostly Flicker copy targeting Errant and Chromatic Orrery.
Resolve the first copy of Ghostly Flicker, blinking Errant and Chromattic Orrery.
Activate Chromatic Orrery's first ability by tapping it, adding ({5} magic symbol) .