Kiriban not being summoned after activation

  1. Bug description
    After fulfilling Kiriban’s activation condition, an error pops up when activating the card and it doesn’t get summoned, it just sits in the s/t zone faceup.

  2. Bug reproduction steps

The issue can be reproduced by having 10 effects/cards be activated in one turn and then trying to activate the card.

  1. Screenshot OR error code

  1. Expected behavior
    After fulfilling its conditions and activating the card, Kiriban should have been special summoned as an effect monster.

  2. What OS are you using
    Windows 10

Is this occurring online, too?