Unable to use Secure Gardna on the field and an Aleister in grave to make Machaba.
Bug reproduction steps
Normal Summon Aleister, effect to search Invocation, link Aleister for Almiraj, link Almiraj into Secure Gardna.
Screenshot OR error code
I should have been able to fusion summon a Mechaba using Invocation, banishing Aleister from grave and Secure Gardna from field.