Deno Kv: "Database is locked" on enqueue

[uncaught application error]: TypeError - database is locked

request: {
  url: "http://localhost:8080/api/events",
  method: "POST",
  hasBody: true
}
response: { status: 500, type: "text", hasBody: true, writable: true }

    at async doAtomicWriteInPlace (ext:deno_kv/01_db.ts:629:10)
    at async Kv.enqueue (ext:deno_kv/01_db.ts:163:26)
    at async file:///<my_filepath>/src/api/events.controller.ts:13:5
    at async dispatch (https://jsr.io/@oak/oak/17.0.0/middleware.ts:90:7)
    at async dispatch (https://jsr.io/@oak/oak/17.0.0/middleware.ts:90:7)
    at async dispatch (https://jsr.io/@oak/oak/17.0.0/middleware.ts:90:7)
    at async default (file:///<my_filepath>/src/middleware/errorhandling.middleware.ts:9:9)
    at async dispatch (https://jsr.io/@oak/oak/17.0.0/middleware.ts:90:7)
    at async Application.#handleRequest (https://jsr.io/@oak/oak/17.0.0/application.ts:605:9)

eventsRouter.post("/", async (ctx) => {
    const data: Dto = await ctx.request.body.json();

    await kv.enqueue({ type: "handle_event", details: data }, cfg.KV_OPTIONS);

    ctx.response.status = 200;
});