In DM or in meshing, right click on those blade bodies and suppress them. The suppressed bodies will not be meshed.
This started with geometry problem. So request you to mark this as 'Is Solution' and create a new thread for meshing to help others on the community.
For meshing as well, please use search option on community to search related topics.
If this helps, please mark this post as 'Is Solution' to help others.
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