Automattic/mongoose · error · Error

Collection#findOneAndUpdate unimplemented by driver

Error message

Collection#findOneAndUpdate unimplemented by driver

What it means

Error "Collection#findOneAndUpdate unimplemented by driver" thrown in Automattic/mongoose.

Source

Thrown at lib/collection.js:168

Collection.prototype.createIndex = function() {
  throw new Error('Collection#createIndex unimplemented by driver');
};

/**
 * Abstract method that drivers must implement.
 */

Collection.prototype.findAndModify = function() {
  throw new Error('Collection#findAndModify unimplemented by driver');
};

/**
 * Abstract method that drivers must implement.
 */

Collection.prototype.findOneAndUpdate = function() {
  throw new Error('Collection#findOneAndUpdate unimplemented by driver');
};

/**
 * Abstract method that drivers must implement.
 */

Collection.prototype.findOneAndDelete = function() {
  throw new Error('Collection#findOneAndDelete unimplemented by driver');
};

/**
 * Abstract method that drivers must implement.
 */

Collection.prototype.findOneAndReplace = function() {
  throw new Error('Collection#findOneAndReplace unimplemented by driver');
};

View on GitHub (pinned to 49cdab0136)

When it happens

Trigger: Thrown at lib/collection.js:168 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Automattic/mongoose@49cdab0136 (2026-08-21). Data as JSON: /api/errors/88ac16ee5a31b205. Report an issue: GitHub.