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Can't start processing - PIX4Dfields
This article explains the reasons and solutions for not being able to start processing after importing the images.
After importing the images, nothing happens, and it does not start processing.

The Start processing button is greyed out, it is impossible to start processing.
Solution
This is related to a broken XML in PIX4Dfields. Remove the XML from PIX4Dfields:
- On the dashboard, go to SETTINGS on the top-right and click Camera parameters file.
- Click Remove.
- Try upgrading to PIX4Dfields 2.9.6 from https://account.pix4d.com/download-software
If the XML file is still casuin trouble:
- Ensure the provided XML has the correct format:
- Ensure there are no empty tags:
- Ensure there are no incomplete tags like <rigs/> at the beginning or <mappings/> at the end.