How to add a translation to a product variation?

How to add a translation to a product variation?
Unique field SKU

Everywhere in the settings I select the desired language. When I run the import I get the following error

The product variation Accumulator Imera AO 80 (3327) failed to validate with the following errors:
sku (sku): SKU: this field cannot hold more than 1 values.
Title (title): Title: this field cannot hold more than 1 values.
Price (price): Price: this field cannot hold more than 1 values.
Weight (weight): Weight: this field cannot hold more than 1 values.
Check the matches in the data flow settings.