(Possible) content of the message:

Object
variationId:10792
type:"PRODUCT_DATASHEET"
location:""
Trigger:"cli: artisan catalog:async-export"

This error indicates that the file stored in the catalogue under "media assets" (more specifically, here: under the product datasheet, see type) :

• does not have a URL for the property linked to the item in the catalogue

Please note that for media assets, only properties in the form of a URL can be stored. Properties that do not contain a URL will not be transferred. The property type "file" is also not supported.