# Error using Cartesian product of function spaces

**URL:** <https://fenicsproject.discourse.group/t/error-using-cartesian-product-of-function-spaces/4389>\
**Category:** Uncategorized\
**Created:** [October 24, 2020, 6:11pm UTC](https://fenicsproject.discourse.group/t/error-using-cartesian-product-of-function-spaces/4389 "2020-10-24T18:11:32Z")\
**Posts on this page:** 1\
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**Author:** ![dokken](https://yyz2.discourse-cdn.com/free1/user_avatar/fenicsproject.discourse.group/dokken/32/1560_2.png) [@dokken](https://fenicsproject.discourse.group/u/dokken)\
**Post date:** [October 24, 2020, 6:37pm UTC](https://fenicsproject.discourse.group/t/error-using-cartesian-product-of-function-spaces/4389/2 "2020-10-24T18:37:45Z")

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See: [Unsupported Operand for FunctionSpace Type](https://fenicsproject.discourse.group/t/unsupported-operand-for-functionspace-type/3202/2)  
To create the vector element, use `VectorElement`

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