WriteConcernError
writeConcernError is an error object returned by MongoDB servers when a write operation does not satisfy the write concern requested by the client. A write concern specifies the level of acknowledgement required for write operations, such as ws to ensure data is written to a specified number of replica set members.
When a write fails to meet the requested conditions, the server attaches a writeConcernError field to the
The error is generated by the storage engine or replication layer and is distinct from command errors;
Handling writeConcernError involves examining the code and message to determine the underlying cause. Developers may choose
The writeConcernError object is included in all MongoDB drivers that expose the full server response. It is