[BUG] Spell buttons not working for some Actors

[OmegaRogue]

Setup

• OS: Arch Linux/Windows 10
• Browser: Firefox
• Module version: [e.g. 1.2.5] 1.5.1
• Foundry version: 11.308
• Gaming system & version: pf2e 5.4.2
• Any other modules enabled: yes

Describe the bug The Material Deck Spell casting Buttons don't properly, they dont display anything. This is the case only for some tokens, in my testing for some reason Arcane Prepared Spellcasters. Console Log

Uncaught (in promise) TypeError: spellCastingEntry.data.data.slots[("slot" + (intermediate value))].prepared[slot] is undefined
[Detected 1 package: MaterialDeck]
    buildSpellData pf2e.js:474
    forEach commons.js:4182
    buildSpellData pf2e.js:467
    getSpellData pf2e.js:500
    getSpells pf2e.js:518
    getSpells tokenHelper.js:369
    pushData token.js:380
    update token.js:18
    async* MaterialDeck.js:547
    #call foundry.js:730
    callAll foundry.js:687
    refreshLighting foundry.js:47640
    applyRenderFlags foundry.js:50262
    #applyRenderFlags foundry.js:27701
    emit index.js:89
    update index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
    _tick index.js:89
pf2e.js:474:82
    update token.js:21
    AsyncFunctionThrow self-hosted:856
    (Async: async)
    <anonymous> MaterialDeck.js:547
    #call foundry.js:730
    callAll foundry.js:687
    refreshLighting foundry.js:47640
    applyRenderFlags foundry.js:50262
    #applyRenderFlags foundry.js:27701
    emit index.js:89
    update index.js:89
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89
    (Async: FrameRequestCallback)
    _tick index.js:89

[OmegaRogue]

Ok, after more testing, the tradition doesn't matter, its just two tokens that it doesn't work for

[MaterialFoundry]

This should be fixed in the latest version