Bot is crashing on certain server messages

[Chitasa]

Certain commands crash the bot on an Aternos Spigot Server when doing msg.toAnsi(), for instance setworldspawn and effect.

Error Message:

TypeError: [sprintf] expecting number but found string
    at sprintf_format (C:\Users\...\node_modules\sprintf-js\src\sprintf.js:62:27)
    at sprintf (C:\Users\...\node_modules\sprintf-js\src\sprintf.js:26:16)
    at vsprintf (C:\Users\...\node_modules\sprintf-js\src\sprintf.js:30:24)
    at ChatMessage.toMotd (C:\Users\...\node_modules\prismarine-chat\index.js:311:23)
    at C:\Users\...\node_modules\prismarine-chat\index.js:308:49
    at Array.map (<anonymous>)
    at ChatMessage.toMotd (C:\Users\...\node_modules\prismarine-chat\index.js:308:30)
    at ChatMessage.toAnsi (C:\Users\...\node_modules\prismarine-chat\index.js:347:24)
    at EventEmitter.<anonymous> (C:\Users\...\src\silentBot.js:100:35)
    at EventEmitter.emit (events.js:315:20)

JSON Message of setworldspawn:

{
  "italic": true,
  "color": "gray",
  "translate": "chat.type.admin",
  "with": [
    "O_o_f",
    {
      "translate": "commands.setworldspawn.success",
      "with": [
        "10",
        "114",
        "-2"
      ]
    }
  ]
}