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axolotl/docs/faq.qmd
NanoCode012 2efe1b4c09 Feat(doc): Reorganize documentation, fix broken syntax, update notes (#2348)
* feat(doc): organize docs, add to menu bar, fix broken formatting

* feat: add link to custom integrations

* feat: update readme for integrations to include citations and repo link

* chore: update lm_eval info

* chore: use fullname

* Update docs/cli.qmd per suggestion

Co-authored-by: Dan Saunders <danjsaund@gmail.com>

* feat: add sweep doc

* feat: add kd doc

* fix: remove toc

* fix: update deprecation

* feat: add more info about chat_template issues

* fix: heading level

* fix: shell->bash code block

* fix: ray link

* fix(doc): heading level, header links, formatting

* feat: add grpo docs

* feat: add style changes

* fix: wrong cli arg for lm-eval

* fix: remove old run method

* feat: load custom integration doc dynamically

* fix: remove old cli way

* fix: toc

* fix: minor formatting

---------

Co-authored-by: Dan Saunders <danjsaund@gmail.com>
2025-02-25 16:09:37 +07:00

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---
title: FAQ
description: Frequently asked questions
---
### General
**Q: The trainer stopped and hasn't progressed in several minutes.**
> A: Usually an issue with the GPUs communicating with each other. See the [NCCL doc](nccl.qmd)
**Q: Exitcode -9**
> A: This usually happens when you run out of system RAM.
**Q: Exitcode -7 while using deepspeed**
> A: Try upgrading deepspeed w: `pip install -U deepspeed`
**Q: AttributeError: 'DummyOptim' object has no attribute 'step'**
> A: You may be using deepspeed with single gpu. Please don't set `deepspeed:` in yaml or cli.
**Q: The codes is stuck on saving preprocessed datasets.**
> A: This is usually an issue with the GPU. This can be resolved through setting the os environment variable `CUDA_VISIBLE_DEVICES=0`. If you are on runpod, this is usually a pod issue. Starting a new pod should take care of it.
### Chat templates
**Q: `jinja2.exceptions.UndefinedError: 'dict object' has no attribute 'content' / 'role' / ____`**
> A: This means that the property mapping for the stated attribute does not exist when building `chat_template` prompt. For example, if `no attribute 'content'`, please check you have added the correct mapping for `content` under `message_property_mappings`.
**Q: `Empty template generated for turn ___`**
> A: The `content` is empty for that turn.
**Q: `Could not find content start/end boundary for turn __`**
> A: The specific turn's start/end could not be detected. Please ensure you have set the `eos_token` following your `chat_template`. Otherwise, this could be a `chat_template` which doesn't use proper boundaries for each turn (like system). On the rare occurrence, make sure your content is not `[[dummy_message]]`. Please let us know about this.
**Q: `Content end boundary is before start boundary for turn ___`**
> A: This is an edge case which should not occur. Please create an Issue if this happens.
**Q: `Content end boundary is the same as start boundary for turn ___. This is likely an empty turn.`**
> A: This is likely an empty turn.