Can not infer where a column is from but then the error message says that column is available?

[cottrell]

What happened?

I'm not sure if this is a real bug or just a strange error message?

PRQL input

from data
join side:left other (other.id== data.id)
into A

from codes
into S

from A
select {
A.val
}

SQL output

Error: 
   ╭─[:7:3]
   │
 7 │   A.val
   │   ──┬──  
   │     ╰──── Cannot infer where `A`.val is from. It could be any of [(119, {}), (116, {})]
   │ 
   │ Help: available columns: `A`.val
───╯

Expected SQL output

Any sql.

MVCE confirmation

• [X] Minimal example
• [X] New issue

Anything else?

No response