The error message you received indicates that there is no trajectory information contained in the e57 file you are trying to upload. Make sure you follow these steps from Leica's documentation for generating the correct e57 file from your BLK2GO scans:
Was this article helpful?
That’s Great!
Thank you for your feedback
Sorry! We couldn't be helpful
Thank you for your feedback
Feedback sent
We appreciate your effort and will try to fix the article