# Operation failed because the resulting body wouldn't be valid

**URL:** <https://discourse.shapr3d.com/t/operation-failed-because-the-resulting-body-wouldnt-be-valid/24046>\
**Category:** Modeling Questions\
**Created:** [February 10, 2023, 4:25pm UTC](https://discourse.shapr3d.com/t/operation-failed-because-the-resulting-body-wouldnt-be-valid/24046 "2023-02-10T16:25:30Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![llllllllllllllllilil](https://avatars.discourse-cdn.com/v4/letter/l/9fc348/32.png) [@llllllllllllllllilil](https://discourse.shapr3d.com/u/llllllllllllllllilil)\
**Post date:** [February 10, 2023, 4:25pm UTC](https://discourse.shapr3d.com/t/operation-failed-because-the-resulting-body-wouldnt-be-valid/24046/1 "2023-02-10T16:25:30Z")

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I am trying to make a body of Iowa Class Battleship. I want to loft this four object at same time but some how the Shapr says “Operation failed because the resulting body wouldn’t be valid”. How could I fix this problem?

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**Author:** ![Laci\_K](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.shapr3d.com/laci_k/32/8196_2.png) [@Laci\_K](https://discourse.shapr3d.com/u/Laci_K)\
**Post date:** [February 10, 2023, 4:42pm UTC](https://discourse.shapr3d.com/t/operation-failed-because-the-resulting-body-wouldnt-be-valid/24046/2 "2023-02-10T16:42:30Z")

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Check step by step which shape makes the loft fail.

My guess is the second from the bottom, with the sharp end point. You might need to make it more round at the end.