{"record":{"id":"65d6e765183e3ef8","repo":"mongodb/mongoid","slug":"invalid-elemmatch-operator-operator","errorCode":null,"errorMessage":"Invalid $elemMatch operator '%{operator}'.","messagePattern":"Invalid \\$elemMatch operator '%(.+?)'\\.","errorType":"exception","errorClass":"Mongoid::Errors::InvalidElemMatchOperator","httpStatus":null,"severity":"error","filePath":"lib/mongoid/matcher/elem_match.rb","lineNumber":40,"sourceCode":"\n        if value.is_a?(Array) && !value.empty?\n          value.any? do |v|\n            ElemMatchExpression.matches?(v, condition)\n          end\n        else\n          # Validate the condition is valid, even though we will never attempt\n          # matching it.\n          condition.each do |k, _v|\n            k = k.to_s\n            next unless k.start_with?('$')\n\n            begin\n              ExpressionOperator.get(k)\n            rescue Mongoid::Errors::InvalidExpressionOperator\n              begin\n                FieldOperator.get(k)\n              rescue Mongoid::Errors::InvalidFieldOperator => exc\n                raise Mongoid::Errors::InvalidElemMatchOperator.new(exc.operator)\n              end\n            end\n          end\n          false\n        end\n      end\n    end\n  end\nend\n","sourceCodeStart":22,"sourceCodeEnd":50,"githubUrl":"https://github.com/mongodb/mongoid/blob/0da0e23d71adfbad31128c18e5e2c8c301c6f7c4/lib/mongoid/matcher/elem_match.rb#L22-L50","documentation":"Error \"Invalid $elemMatch operator '%{operator}'.\" thrown in mongodb/mongoid.","triggerScenarios":"Thrown at lib/mongoid/matcher/elem_match.rb:40 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"0da0e23d71adfbad31128c18e5e2c8c301c6f7c4","analyzedAt":"2026-08-23T06:25:47.656Z","schemaVersion":2},"datasetVersion":"2026-08-23T08:06:27.607Z"}