TypeError: this[type] is not a function

Hello, I'm getting this error with ECMA Version 2022. I also messaged you on Telegram would be nice if you could check it and work something out ^^

Caught an error while attempting to run AST visitor!

node = {
    "type": "ArrowFunctionExpression",
    "start": 65307,
    "end": 65315,
    "range": [
        65307,
        65315
    ],
    "id": null,
    "expression": false,
    "generator": false,
    "async": false,
    "params": [],
    "body": {
        "type": "BlockStatement",
        "start": 65313,
        "end": 65315,
        "range": [
            65313,
            65315
        ],
        "body": []
    }
} 
err = TypeError: Cannot read properties of undefined (reading 'type'))

relative / synchrony

TypeError: this[type] is not a function #38