# FlowableException: unknown variable type

**URL:** <https://forum.flowable.org/t/flowableexception-unknown-variable-type/3009>\
**Category:** Flowable Engine\
**Created:** [December 7, 2018, 10:40pm UTC](https://forum.flowable.org/t/flowableexception-unknown-variable-type/3009 "2018-12-07T22:40:48Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![filiphr](https://yyz1.discourse-cdn.com/flex035/user_avatar/forum.flowable.org/filiphr/32/315_2.png) [@filiphr](https://forum.flowable.org/u/filiphr)\
**Post date:** [December 10, 2018, 8:02am UTC](https://forum.flowable.org/t/flowableexception-unknown-variable-type/3009/2 "2018-12-10T08:02:49Z")

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Hey @Romancha,

How are you registering the `ecos-pojo` as a custom variable type?

I think that it is similar to [FlowableException: unknown variable type name jpa-entity](https://forum.flowable.org/t/flowableexception-unknown-variable-type-name-jpa-entity/2442/1)

Cheers,

Filip

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