# You must supply active and/or passive residues for your first protein

**URL:** <https://ask.bioexcel.eu/t/you-must-supply-active-and-or-passive-residues-for-your-first-protein/4929>\
**Category:** Uncategorized\
**Created:** [April 18, 2024, 3:52pm UTC](https://ask.bioexcel.eu/t/you-must-supply-active-and-or-passive-residues-for-your-first-protein/4929 "2024-04-18T15:52:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![yuantian](https://avatars.discourse-cdn.com/v4/letter/y/9d8465/32.png) [@yuantian](https://ask.bioexcel.eu/u/yuantian)\
**Post date:** [April 18, 2024, 3:52pm UTC](https://ask.bioexcel.eu/t/you-must-supply-active-and-or-passive-residues-for-your-first-protein/4929/1 "2024-04-18T15:52:40Z")

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Hi  
I was using the web tool to dock an RNA protein complex. But I saw this error and it seems I need an expert level to proceed according to another Q&A I saw here. is the expert level the solution? and how can I get expert level, please? thank you in advance.  
best regards,  
Yuan

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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:** [April 18, 2024, 5:56pm UTC](https://ask.bioexcel.eu/t/you-must-supply-active-and-or-passive-residues-for-your-first-protein/4929/2 "2024-04-18T17:56:38Z")

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Simply request it online in your registration page.