# Internal Model occured while trying to activate model

**URL:** <https://community.cumulocity.com/t/internal-model-occured-while-trying-to-activate-model/4325>\
**Category:** Forum\
**Tags:** Streaming-Analytics-Apama, cumulocity\
**Created:** [November 11, 2022, 9:45am UTC](https://community.cumulocity.com/t/internal-model-occured-while-trying-to-activate-model/4325 "2022-11-11T09:45:59Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![prathyusha.kanda](https://avatars.discourse-cdn.com/v4/letter/p/90ced4/32.png) [@prathyusha.kanda](https://community.cumulocity.com/u/prathyusha.kanda)\
**Post date:** [November 11, 2022, 9:45am UTC](https://community.cumulocity.com/t/internal-model-occured-while-trying-to-activate-model/4325/1 "2022-11-11T09:45:59Z")

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#### What product/components do you use and which version/fix level are you on?

latest

#### Is your question related to the free trial, or to a production (customer) instance?

production

#### What are you trying to achieve? Please describe it in detail.

#### Do you get any error messages? Please provide a **full error** message screenshot and log file.

I am trying to activate the model and I received the following error.

 ![image](https://europe1.discourse-cdn.com/flex005/uploads/cumulocity/original/3X/4/b/4b994fb919d802af0423a68faa83001cae09d61d.png)

#### Have you installed all the latest fixes for the products and systems you are using?

yes

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<div class="post-metadata">

**Author:** ![system](https://dub1.discourse-cdn.com/flex005/user_avatar/community.cumulocity.com/system/32/31990_2.png) [@system](https://community.cumulocity.com/u/system)\
**Post date:** [May 10, 2023, 9:46am UTC](https://community.cumulocity.com/t/internal-model-occured-while-trying-to-activate-model/4325/2 "2023-05-10T09:46:28Z")

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