Converting all ObjectIds into string by using Document.toObject() method? · Issue #2790 · Automattic/mongoose · GitHub
![_id sometimes saved as string sometimes as MongoDB\BSON\ObjectId · Issue #1674 · mongodb/laravel-mongodb · GitHub _id sometimes saved as string sometimes as MongoDB\BSON\ObjectId · Issue #1674 · mongodb/laravel-mongodb · GitHub](https://user-images.githubusercontent.com/785830/49702855-c59fdf80-fc12-11e8-8209-9603b0cdf253.png)
_id sometimes saved as string sometimes as MongoDB\BSON\ObjectId · Issue #1674 · mongodb/laravel-mongodb · GitHub
![Convert String to ObjectId - MongoDB Atlas App Services & Realm - MongoDB Developer Community Forums Convert String to ObjectId - MongoDB Atlas App Services & Realm - MongoDB Developer Community Forums](https://www.mongodb.com/community/forums/uploads/default/original/3X/c/e/ced0cde2790094e7a7a7391d1f975ef08aa178dd.png)
Convert String to ObjectId - MongoDB Atlas App Services & Realm - MongoDB Developer Community Forums
![MongoDB source: Object fields should be serialized as JSON · Issue #3462 · airbytehq/airbyte · GitHub MongoDB source: Object fields should be serialized as JSON · Issue #3462 · airbytehq/airbyte · GitHub](https://user-images.githubusercontent.com/13558863/118637433-16e62d00-b7d6-11eb-834f-962d5c38ee4f.png)
MongoDB source: Object fields should be serialized as JSON · Issue #3462 · airbytehq/airbyte · GitHub
![javascript - CastError: Cast to ObjectId failed for value "undefined" (type string) at path "_id" for model "Order" - Stack Overflow javascript - CastError: Cast to ObjectId failed for value "undefined" (type string) at path "_id" for model "Order" - Stack Overflow](https://i.stack.imgur.com/n86rK.png)