ObjectConverter not found for List in Map

[ArtDu]

public Optional<CustomObject> updateCrossReferences(long code, List<InnerObject> innerObjects, LocalDateTime creationDateTime, final Map<String, String> headers) {
        Map<String, String> credentials = prepareTdgCredentials(headers);
        var args = new HashMap<>();
        args.put("index", "code_index");
        args.put("value", code);
        args.put("innerObjects", innerObjects);
        args.put("creationDateTime", creationDateTime);
        var customObjects =  repository.callService("update", args, credentials);
}

"timestamp":"2021-10-27T16:00:19.105+00:00","status":500,"error":"Internal Server Error","trace":"io.tarantool.driver.mappers.MessagePackObjectMapperException: ObjectConverter for type class InnerObject is not found