# \#bug-hunt

**URL:** https://brian.discourse.group/tag/bug-hunt/10.md

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## [Duplicate variable error in Synapses with unique names and cache cleared (Brian2.9.0 / Python 3.13)](https://brian.discourse.group/t/duplicate-variable-error-in-synapses-with-unique-names-and-cache-cleared-brian2-9-0-python-3-13/1490)

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**Author:** [@Peace](https://brian.discourse.group/u/Peace)\
**Replies:** 2\
**Last updated:** [13 September 2025 01:54 UTC](https://brian.discourse.group/t/duplicate-variable-error-in-synapses-with-unique-names-and-cache-cleared-brian2-9-0-python-3-13/1490 "2025-09-13T01:54:54Z")

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I’m experiencing persistent “Duplicate definition of variable ‘elig\_syn’” errors in Brian2 Synapses, even after renaming all variables to unique names, clearing all caches, and restarting in fresh terminals. System Info…

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## [Bug hunt episode 2: a strange file appears](https://brian.discourse.group/t/bug-hunt-episode-2-a-strange-file-appears/481)

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**Author:** [@mstimberg](https://brian.discourse.group/u/mstimberg)\
**Replies:** 0\
**Last updated:** [24 September 2021 14:10 UTC](https://brian.discourse.group/t/bug-hunt-episode-2-a-strange-file-appears/481 "2021-09-24T14:10:41Z")

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This is the second blog post in our “bug hunt” series, the behind-the-scenes view of Brian debugging :slight\_smile: The bug I debugged (and fixed :wink: ) is the appearance of a strange -.o file that users on Linux and…

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## [Bug hunt episode 1: Broken LaTeX output for equations](https://brian.discourse.group/t/bug-hunt-episode-1-broken-latex-output-for-equations/383)

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**Author:** [@mstimberg](https://brian.discourse.group/u/mstimberg)\
**Replies:** 1\
**Last updated:** [6 May 2021 08:43 UTC](https://brian.discourse.group/t/bug-hunt-episode-1-broken-latex-output-for-equations/383 "2021-05-06T08:43:46Z")

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I just published a new blog post on our website: Bug hunt episode 1: Broken LaTeX output for equations | The Brian spiking neural network simulator With this article, we are trying out a new format: a detailed descripti…