internal
What happened
The sandbox, or a route of the API, hit a fault of its own. Nothing in your file or request caused it, and the reply carries no detail that could point at Forge's internals.
What to do
Try again shortly. If it keeps happening, contact support with the request id.
Example
json
{
"request_id": "7d2b1c44-95a0-4e3b-8a6f-1c0d9e2f5a37",
"ok": false,
"error": {
"code": "internal",
"message": "The sandbox could not run this script.",
"detail": {}
}
}