# Failed to Train model **URL:** \ **Category:** \[Deprecated\] Rasa X Community Edition\ **Created:** [December 20, 2021, 7:20am UTC](https://forum.rasa.com/t/failed-to-train-model/50153 "2021-12-20T07:20:09Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![nandkumar](https://avatars.discourse-cdn.com/v4/letter/n/dc4da7/32.png) [@nandkumar](https://forum.rasa.com/u/nandkumar)\ **Post date:** [December 20, 2021, 7:20am UTC](https://forum.rasa.com/t/failed-to-train-model/50153/1 "2021-12-20T07:20:09Z")
I am just created 2 to 3 lines of nlu and domain files and i am getting error for modal train ![image](https://europe1.discourse-cdn.com/flex013/uploads/rasa/original/3X/e/b/eb2a836b093e0c001b694a5a0ee286eb5827e190.png) ---
**Author:** ![Sajjadmanal](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.rasa.com/sajjadmanal/32/18330_2.png) [@Sajjadmanal](https://forum.rasa.com/u/Sajjadmanal)\ **Post date:** [December 20, 2021, 10:49am UTC](https://forum.rasa.com/t/failed-to-train-model/50153/2 "2021-12-20T10:49:43Z")
Hi @nandkumar Please use this command to validate you have the right data and then train your model again. `rasa data validate` ---
**Author:** ![nandkumar](https://avatars.discourse-cdn.com/v4/letter/n/dc4da7/32.png) [@nandkumar](https://forum.rasa.com/u/nandkumar)\ **Post date:** [December 20, 2021, 11:58am UTC](https://forum.rasa.com/t/failed-to-train-model/50153/3 "2021-12-20T11:58:31Z")
Thanks @SajjadmanalActually problem with nlu and stories file extensions i.e .md now i’m used nlu.yml and stories.yml file Now i am used for all file .yml file extension and problem resolved. ---
**Author:** ![Sajjadmanal](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.rasa.com/sajjadmanal/32/18330_2.png) [@Sajjadmanal](https://forum.rasa.com/u/Sajjadmanal)\ **Post date:** [December 20, 2021, 12:15pm UTC](https://forum.rasa.com/t/failed-to-train-model/50153/4 "2021-12-20T12:15:13Z")
@nandkumar happy to help