CLIENT - unhandled error in GUI - NullPointerException

[SurtrEndbringer]

Error type: CLIENT - unhandled error in GUI - NullPointerException

Client version: 1.4.56-V3 (build: 2025-02-09 16:02)
Java version: 1.8.0_201
Default charset: UTF-8

NullPointerException - look at server or client logs for more details

Stack trace:
org.mage.card.arcane.CardPanelRenderModeMTGO$ImageKey.hashCodeImpl(CardPanelRenderModeMTGO.java:87)
org.mage.card.arcane.CardPanelRenderModeMTGO$ImageKey.(CardPanelRenderModeMTGO.java:72)
org.mage.card.arcane.CardPanelRenderModeMTGO.paintCard(CardPanelRenderModeMTGO.java:177)
org.mage.card.arcane.CardPanel.paintComponent(CardPanel.java:380)
javax.swing.JComponent.paint(JComponent.java:1056)
javax.swing.JLayeredPane.paint(JLayeredPane.java:586)
org.mage.card.arcane.CardPanel.paint(CardPanel.java:373)
javax.swing.JComponent.paintChildren(JComponent.java:889)
javax.swing.JComponent.paint(JComponent.java:1065)
javax.swing.JComponent.paintChildren(JComponent.java:889)
and other 57 lines

Apparently generating tokens causes crashes when you have a lot, even with 10gb of RAM assigned.