| $not argument cannot be an empty hash: # | exception | error | |
| $or argument must be a non-empty array: # | exception | error | |
| Accepting nested attributes for | exception | error | |
| Attributes for nested association '# | exception | error | |
| Invalid persistence option | exception | error | |
| Automatic encryption configuration for client | exception | error | |
| Errors::DocumentNotFound.new(klass, nil, nil) | exception | error | |
| No default client configuration is defined. | exception | error | |
| The isolation level ' ' is not supported. | exception | error | |
| Mongoid no longer supports marshalling with driver version… | exception | error | |
| Criteria#where requires zero or one arguments | exception | error | |
| Cannot find any model with type | exception | error | |
| No vector search indexes declared on # | exception | error | |
| Around callbacks are disabled for embedded documents… | console | error | |
| Could not find a document of class | exception | error | |
| eager_load cannot use $lookup aggregation because the… | console | error | |
| Field must be a string: # | exception | error | |
| No auto-embed indexes declared on # | exception | error | |
| Both uri and standard configuration options defined for… | exception | error | |
| Invalid criteria for estimated_count. | exception | error | |
| Attempted to access attribute | exception | error | |
| # is nil on this document; cannot perform vector search | exception | error | |
| A class which includes Mongoid::Document is expected | exception | error | |
| kms_provider_name must be provided when there are multiple… | exception | error | |
| Version no longer supported: # | exception | error | |
| No clients configuration provided. | exception | error | |
| Full shard_key syntax requires 1 or 2 arguments | exception | error | |
| Empty configuration file | exception | error | |
| The class is not registered with the resolver . | exception | error | |
| Cannot infer vector path on # | exception | error | |
| Eager loading only supports arguments that are the names of… | exception | error | |
| Multiple $text expressions per query are not currently… | console | error | |
| No hosts provided for client configuration | exception | error | |
| Attempted to change the immutable attribute | exception | error | |
| :on conditions for after_commit and after_rollback… | exception | error | |
| cannot specify :set_on_insert with `replace: true` | exception | error | |
| Document(s) not found for class | exception | error | |
| # is nil on this document; cannot perform auto-embed search | exception | error | |
| # must implement #docs_for_lookup_fallback | exception | error | |
| Attempted to set a value for | exception | error | |
| Operator '# ' is not allowed in a query expression. Set… | exception | error | |
| An around callback must contain a yield in its definition. | exception | error | |
| To enable around callbacks for embedded documents, set… | console | error | |
| Cannot set the attribute on the class. | exception | error | |
| Defining an association named | exception | error | |
| Having a root path assigned for | exception | error | |
| Attempted to persist a readonly document of class | exception | error | |
| Invalid association option | exception | error | |
| No vector search index '# | exception | error | |
| Ruby does not allow same symbol operator with different… | exception | error | |
| No database provided for client configuration | exception | error | |
| Creating scope :# which conflicts with # .# . Calls to… | console | error | |
| $regex requires a regular expression argument: # | exception | error | |
| Cannot infer path on # | exception | error | |
| mongoid.errors.messages.invalid_field_operator.message | exception | error | |
| # argument must be an array: # | exception | error | |
| '$ne' operator does not allow Regexp arguments: # | exception | error | |
| Ambiguous associations | exception | error | |
| $and argument must be an array: # | exception | error | |
| Invalid $elemMatch operator | exception | error | |
| Cannot create collection | exception | error | |
| The :schema_map is configured in the… | console | error | |
| $not arguments must be operators: # | exception | error | |
| $gt argument cannot be a Range: # | exception | error | |
| Defining a scope of value | exception | error | |
| $gte argument cannot be a Range: # | exception | error | |
| Invalid type for $# argument: # | exception | error | |
| When adding a(n) to # , Mongoid could not determine the… | exception | error | |
| cannot translate # (# ) to a direction specification | exception | error | |
| instantiated results must be typecast | exception | error | |
| $not argument must be a Hash or a regular expression: # | exception | error | |
| NotImplementedError | exception | error | |
| Unknown $type argument: # | exception | error | |
| The :fallback option for association '# | exception | error | |
| The attribute can't be set to an instance of as has… | exception | error | |
| $lte argument cannot be a Range: # | exception | error | |
| Transaction failed with the following error | exception | error | |
| Attempted to modify the read-only association | exception | error | |
| Attempted to instantiate an object of the unknown model | exception | error | |
| Invalid global_executor_concurrency option. | exception | error | |
| # has multiple auto-embed indexes; specify index: to select… | exception | error | |
| Shorthand shard_key syntax does not permit options | exception | error | |
| Metadata not found for document of type | exception | error | |
| sessions_not_supported | exception | error | |
| MONGOID: # has shard config but is embedded | console | error | |
| Cannot persist embedded document | exception | error | |
| Invalid index specification on | exception | error | |
| Referencing a(n) document from the document via a… | exception | error | |
| Cannot create scope : , because of existing method . . | exception | error | |
| Expression must be a Hash: # | exception | error | |
| Invalid dependent strategy | exception | error | |
| # has multiple vector search indexes; specify index: to… | exception | error | |
| Invalid field type for field ' ' on model ' '. | exception | error | |
| must specify a class or a document instance | exception | error | |
| Specifying both key_id and key_name_field is not allowed | exception | error | |
| Using # as the field type is not supported. Saving values… | console | error | |
| Cannot destroy because of dependent ' '. | exception | error | |
| Errors::UnsupportedJavascript.new(klass, expression) | exception | error | |
| Malformed $mod argument # | exception | error | |
| Transactions are not supported by the connected server(s). | exception | error | |