Plant & is not defined for use with organization & &

What causes this issue?

The plant entered is not defined for the specified sales organization
and distribution channel.

System Response

The system produced an error when validating this data.

How to fix this error?

Check the plant, sales organization and distribution channel you have
entered.
The plant can be assigned to a sales organization and distribution
channel using transaction OVX6 in Customizing:
Corporate structure -> Assignment -> Sales and distribution -> Assign
plant to sales organization and distribution channel

Error message extract from SAP system. Copyright SAP SE.