search the forum , you may nee to downgrade to 8.8, at least that was the status several months back when i last used Eddy3D. Note that I also had an issue no being able to run residuals. Eddy 3d not running - #2 by crz_06
The team behind Eddy is working on an update to have it working for versions after 8.8, the changelog > Download - Eddy3D