# Problem with ligand with same atoms

**URL:** <https://ask.bioexcel.eu/t/problem-with-ligand-with-same-atoms/5343>\
**Category:** HADDOCK\
**Tags:** haddock\
**Created:** [November 23, 2024, 8:25am UTC](https://ask.bioexcel.eu/t/problem-with-ligand-with-same-atoms/5343 "2024-11-23T08:25:26Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![amjjbonvin](https://dub1.discourse-cdn.com/flex013/user_avatar/ask.bioexcel.eu/amjjbonvin/32/23_2.png) [@amjjbonvin](https://ask.bioexcel.eu/u/amjjbonvin)\
**Post date:** [November 23, 2024, 8:44am UTC](https://ask.bioexcel.eu/t/problem-with-ligand-with-same-atoms/5343/2 "2024-11-23T08:44:17Z")

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See for example: [https://ask.bioexcel.eu/t/preparing-small-molecules-for-docking/4451](https://ask.bioexcel.eu/t/preparing-small-molecules-for-docking/4451)

All atom names within one ligand must be unique

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_[View the full topic](https://ask.bioexcel.eu/t/problem-with-ligand-with-same-atoms/5343)._