I received an error '01J Line Unit Count Value: The number of tires (Count) or Unit of', what does it mean?

I received an error '01J Line Unit Count Value: The number of tires (Count) or Unit of', what does it mean?

TC-Transport Canada 
Measurement is missing or invalid
Per TCCU it should be Each not Number
Solution: Invoice >Items > Others, change from nmb to each only