If you import a file that Ashes cannot read, you will get an error message such as the one in the image below:
Clicking the Show Details... button will give more information about what caused the error and how to fix it.
You can find the following error messages:
220.127.116.11.1 Unrecognized keywords
18.104.22.168.2 All offsets have to be zero at the root
22.214.171.124.3 The blade name was not found in the database
126.96.36.199.4 Part name not found