**How to reproduce**
Clickhouse version 21.5

```
cat /etc/clickhouse-server/users.xml
<?xml version="1.0"?>
<yandex>
    <!-- Profiles of settings. -->
    <profiles>
        <!-- Default settings. -->
        <default>
            <data_type_default_nullable>1</data_type_default_nullable>
            <load_balancing>random</load_balancing>
        </default>
....

2021.04.04 01:23:42.453678 [ 29048 ] {} <Error> Application: DB::Exception: Nested type Array(UInt64) cannot be inside Nullable type: Cannot attach table `system`.`crash_log` from metadata file /var/lib/clickhouse/metadata/system/crash_log.sql from query ATTACH TABLE system.crash_log (`event_date` Date, `event_time` DateTime, `timestamp_ns` UInt64, `signal` Int32, `thread_id` UInt64, `query_id` String, `trace` Array(UInt64), `trace_full` Array(String), `version` String, `revision` UInt32, `build_id` String) ENGINE = MergeTree ORDER BY (event_date, event_time) SETTINGS index_granularity = 8192: while loading database `system` from path /var/lib/clickhouse/metadata/system
```
{
    auto status = getOverallExecutionStatusOfCommands(std::forward<Callables>(commands)...);
    if (status.code != 0)
        throw Exception(status.message, status.code);
}
AccessType getRequiredAccessType(StorageActionBlockType action_type)
{
    if (action_type == ActionLocks::PartsMerge)
        return AccessType::SYSTEM_MERGES;
    else if (action_type == ActionLocks::PartsFetch)
        return AccessType::SYSTEM_FETCHES;
    else if (action_type == ActionLocks::PartsSend)
        return AccessType::SYSTEM_REPLICATED_SENDS;
    else if (action_type == ActionLocks::ReplicationQueue)
        return AccessType::SYSTEM_REPLICATION_QUEUES;
    else if (action_type == ActionLocks::DistributedSend)
        return AccessType::SYSTEM_DISTRIBUTED_SENDS;
    else if (action_type == ActionLocks::PartsTTLMerge)
        return AccessType::SYSTEM_TTL_MERGES;
    else if (action_type == ActionLocks::PartsMove)
        return AccessType::SYSTEM_MOVES;
    else
        throw Exception("Unknown action type: " + std::to_string(action_type), ErrorCodes::LOGICAL_ERROR);
}
}
void InterpreterSystemQuery::startStopAction(StorageActionBlockType action_type, bool start)