Fix TTL Index in MongoDB: NoSQL Error Solution (2026)
How to Fix “TTL Index” in MongoDB (2026 Guide) The Short Answer To fix the “TTL Index” error in MongoDB, advanced users can create a TTL index with a specific expiration time, such as db.collection.createIndex({ createdAt: 1 }, { expireAfterSeconds: 3600 }), which sets the expiration time to 1 hour after the document’s creation. This will ensure that documents are automatically removed from the collection after the specified time period, resolving the NoSQL error. ...