Hello, the error may be a little misleading, but generally, this happens if the mesh generation fails thus the quality report is not created. Examples of the failure are: - "negative cells" in the mesh generation, if the new parametric blade is not suitable for the Autogrid template - if the blade was replaced by a shorter geometry that doesn't intersect the hub and/or shroud - possible mistake or error in case of a multirow optimization My advice is to open the *.igg file with IGG and check if the mesh looks ok. If it doesn't, go to the design directory, open the job_autogrid and you should be able to find out what's gone wrong. Let me know how it goes, please!
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