Getting error : ott/value/qualifier

Getting error : ott/value/qualifier

This error is generated when you choose some variation mapping which having a scale unit but a scale unit not provided in the profile or in the individual product. So in this case you need to provide the scale value from the profiling section. 

Follow these steps: 

a.) Go to the “Profiling” section of the App and edit the profile in which that product is belongs. 

b.) Check the option “Variation Mapping” 
c.) Select the scale value for your variant option and save the profile. 

d.) Run the “Publish on Etsy” action from “All Product” section of the App.