# Are checkpoints in rules.yml not allowed?

**URL:** <https://forum.rasa.com/t/are-checkpoints-in-rules-yml-not-allowed/43298>\
**Category:** Rasa Open Source\
**Created:** [May 7, 2021, 4:36am UTC](https://forum.rasa.com/t/are-checkpoints-in-rules-yml-not-allowed/43298 "2021-05-07T04:36:17Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![ccloud](https://avatars.discourse-cdn.com/v4/letter/c/c37758/32.png) [@ccloud](https://forum.rasa.com/u/ccloud)\
**Post date:** [May 7, 2021, 2:22pm UTC](https://forum.rasa.com/t/are-checkpoints-in-rules-yml-not-allowed/43298/3 "2021-05-07T14:22:58Z")

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this is what it shows when i try to train it with the checkpoint in rules:

YamlValidationException: Failed to validate ‘data/rules.yml’. Please make sure the file is correct and all mandatory parameters are specified. Here are the errors found during validation: in data/rules.yml:43: Key ‘checkpoint’ was not defined. Path: ‘/rules/5/steps/5’

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