MySQL error Foreign key constraint is incorrectly formed

[sashaaaaaaaaa]

I'm now getting this:
pony.orm.dbapiprovider.OperationalError: (1005, 'Can't create table supysonic.folder (errno: 150 "Foreign key constraint is incorrectly formed")')

with mariadb 10.5.4

[Alban]

Fixed, thank you for reporting.