You must declare "ids" as a unique array of fields in your source settings.

Hi All,

Here is my yml file

id: custom_csv_migrate
label: Migrate example node
migration_tags:
- Aten Migrate CSV
source:
plugin: csv
path: /app/docroot/modules/custom/custom_csv_migrate/sources/aten_csv_migrate_items.csv
ids: [nid]
delimiter: ","
enclosure: "\""
escape: "\\"
header_offset: 0
fields:
-
name: id
label: ID
-
name: blog_taxonomy
label: blog_taxonomy
process:
name: blog_taxonomy
vid:
plugin: default_value
default_value: blog_taxonomy
destination:
plugin: entity:taxonomy_term

I am getting You must declare "ids" as a unique array of fields in your source settings this error.
Note - this error is in 9.1.10