Duplicate models and apps after upgrade to 6.7.2

Flowable Engine
1

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