Vanish bugged

[Muggetsu-archimonde]

Vanish won t remove slows at all after the new patch “rework” 3 months ago

[Battlecruisr-kiljaeden]

Name             : Vanish (id=1856) [Spell Family (8)] 
Effects          :
#2 (id=138233)   : Trigger Spell (64): (18461)
                   Base Value: 0 | Scaled Value: 0 | Trigger Spell: 18461 | Target: Self (1)

Effect #2 would trigger spellid 18461, however this no longer exists in retail.

Spells

Looking at classic, this spellid is Vanish Purge which applies a brief immunity to clear movement impairing effects and snares.

Vanish Purge