Bug report - Group By folder name

What happened?

Dataview: Every row during final data extraction failed with an error; first 3:

            - Cannot call type 'array' as a function
- Cannot call type 'array' as a function

DQL

TABLE 
rows.file.aliases AS Aliase,

> rows.link(file.link, file.aliases) AS Link

GROUP BY file.folder

JS

No response

Dataview Version

0.4.26

Obsidian Version

0.14.2

OS

Windows

[mnvwvnm]

For the next query, two prior conditions:

1. always a defined alias;
2. only one alias.

TABLE rows.LK as Link
FLATTEN link(file.link, file.aliases) AS LK
GROUP BY file.folder

[AB1908]

Hi, is this still an issue?