debug: It looks like the default datastore for this app is sails-mongo,

debug: but the default primary key attribute (id) is not set up correctly.
debug: When using sails-mongo, primary keys MUST have columnName: '_id',
debug: and must not have autoIncrement: true.
debug: Also, if dontUseObjectIds is not set to true for the model,

Solution 

You need to set columnName: '_id' on your default id attribute in config/models.js, see here.