# Duplicate models and apps after upgrade to 6.7.2

**URL:** <https://forum.flowable.org/t/duplicate-models-and-apps-after-upgrade-to-6-7-2/8988>\
**Category:** Flowable Engine\
**Created:** [February 11, 2022, 9:53am UTC](https://forum.flowable.org/t/duplicate-models-and-apps-after-upgrade-to-6-7-2/8988 "2022-02-11T09:53:45Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Karan](https://avatars.discourse-cdn.com/v4/letter/k/58f4c7/32.png) [@Karan](https://forum.flowable.org/u/Karan)\
**Post date:** [February 11, 2022, 9:53am UTC](https://forum.flowable.org/t/duplicate-models-and-apps-after-upgrade-to-6-7-2/8988/1 "2022-02-11T09:53:45Z")

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Hi Team,

After upgrading our flowable version from 6.6.0 to 6.7.2 we can see duplicate models with old version and a new version in the modeler app.  
We are running flowable on tomcat 9.0.56 with mysql db.  
Can you please help ?

Thanks,  
Karan