**Describe the bug**
A clear and concise description of what works not as it is supposed to.

```
CREATE TABLE table_repl
(
    number UInt32
)
ENGINE = ReplicatedMergeTree("/clickhouse/{cluster}/tables/{shard}/table_repl", "{replica}")
PARTITION BY intDiv(number, 1000)
ORDER BY number
```

yields an Exception:

`DB::Exception: No macro 'uuid' in config while processing substitutions in '/clickhouse/tables/{uuid}/{shard}' at '20' or macro is not supported here.
`

**How to reproduce**
* Which ClickHouse server version to use: 20.9.1

**Expected**

The error is that the query should contain only single-quoted strings, but the message is quite misleading.
So the exception should be like "You're using double-quoted strings, which is prohibited".

throw Exception("Unknown element in config: " + key, ErrorCodes::UNKNOWN_ELEMENT_IN_CONFIG);
    }
    if (config.has(config_element + ".default"))
        appendGraphitePattern(config, config_element + "." + ".default", params.patterns);
}
static String getMergeTreeVerboseHelp(bool)
{
    using namespace std::string_literals;
    String help = R"(
Syntax for the MergeTree table engine:
CREATE TABLE [IF NOT EXISTS] [db.]table_name [ON CLUSTER cluster]
(
    name1 [type1] [DEFAULT|MATERIALIZED|ALIAS expr1] [TTL expr1],
    name2 [type2] [DEFAULT|MATERIALIZED|ALIAS expr2] [TTL expr2],
    ...
    INDEX index_name1 expr1 TYPE type1(...) GRANULARITY value1,
    INDEX index_name2 expr2 TYPE type2(...) GRANULARITY value2
) ENGINE = MergeTree()
ORDER BY expr
[PARTITION BY expr]
[PRIMARY KEY expr]
[SAMPLE BY expr]
[TTL expr [DELETE|TO DISK 'xxx'|TO VOLUME 'xxx'], ...]
[SETTINGS name=value, ...]
See details in documentation: https://clickhouse.tech/docs/en/engines/table-engines/mergetree-family/mergetree/. Other engines of the family support different syntax, see details in the corresponding documentation topics.
If you use the Replicated version of engines, see https://clickhouse.tech/docs/en/engines/table-engines/mergetree-family/replication/.
)";
    return help;
}
static StoragePtr create(const StorageFactory::Arguments & args)