/home/runner/LuigiBotTest/node_modules/@firebase/database/dist/index.node.cjs.js:1442        throw new Error(errorPrefix + 'contains undefined ' + path.toErrorString());        ^Error: Reference.set failed: First argument contains und
efined in property 'wolf.title'
    at validateFirebaseData (/home/runner/LuigiBotTest/node_modules/@firebase/database/dist/index.node.cjs.js:1442:15)
    at /home/runner/LuigiBotTest/node_modules/@firebase/database/dist/index.node.cjs.js:1488:13
    at Object.forEach (/home/runner/LuigiBotTest/node_modules/@firebase/util/dist/index.node.cjs.js:862:13)
    at validateFirebaseData (/home/runner/LuigiBotTest/node_modules/@firebase/database/dist/index.node.cjs.js:1471:14)
    at validateFirebaseDataArg (/home/runner/LuigiBotTest/node_modules/@firebase/database/dist/index.node.cjs.js:1430:5)
    at Reference.set (/home/runner/LuigiBotTest/node_modules/@firebase/database/dist/index.node.cjs.js:14026:9)
    at Client.client.on.msg (/home/runner/LuigiBotTest/index.js:37:38)
    at Client.emit (events.js:198:13)
    at Client.EventEmitter.emit (domain.js:448:20)
    at MessageCreateHandler.handle (/home/runner/LuigiBotTest/node_modules/discord.js/src/client/websocket/packets/handlers/MessageCreate.js:9:34)