Error in fhir_resource_history

Hello!
select fhir_resource_history('{"resourceType":"CodeSystem","id":"v2-0008"}')

ОШИБКА: TypeError: Cannot call method 'filter' of undefined
SQL-состояние: XX000
Подробности: plv8_init() LINE 2388:         requestMethod = x.meta.extension.filter(function(e) {