# LoadError: UndefVarError: @params not defined

**URL:** <https://discourse.julialang.org/t/loaderror-undefvarerror-params-not-defined/73005>\
**Category:** General Usage\
**Tags:** question\
**Created:** [December 13, 2021, 4:36am UTC](https://discourse.julialang.org/t/loaderror-undefvarerror-params-not-defined/73005 "2021-12-13T04:36:24Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![n90](https://avatars.discourse-cdn.com/v4/letter/n/439d5e/32.png) [@n90](https://discourse.julialang.org/u/n90)\
**Post date:** [December 13, 2021, 4:36am UTC](https://discourse.julialang.org/t/loaderror-undefvarerror-params-not-defined/73005/1 "2021-12-13T04:36:24Z")

</div>

In a legacy code am working on @params(:JSON\_PAYLOAD) is used to get some of the request payload. I have updated Julia to version 1.7 and and Genie version is 4.5.0. Why is @params not defined error coming? Is this a version specific issue?