# Haddock error 0

**URL:** <https://ask.bioexcel.eu/t/haddock-error-0/5960>\
**Category:** HADDOCK\
**Created:** [December 3, 2025, 5:19am UTC](https://ask.bioexcel.eu/t/haddock-error-0/5960 "2025-12-03T05:19:05Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Vibes](https://avatars.discourse-cdn.com/v4/letter/v/ecb155/32.png) [@Vibes](https://ask.bioexcel.eu/u/Vibes)\
**Post date:** [December 3, 2025, 5:19am UTC](https://ask.bioexcel.eu/t/haddock-error-0/5960/1 "2025-12-03T05:19:05Z")

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Hi, I encountered this error “ **An error has occurred, here are the details: 0** ” when I uploaded my protein and ligand pdb files to Haddock 2.4 server. Could you please help me with this? I dont know what the error actually means.

Thank you

Vibes

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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:** [December 3, 2025, 6:03am UTC](https://ask.bioexcel.eu/t/haddock-error-0/5960/2 "2025-12-03T06:03:39Z")

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We can only help provided you would share the PDB files