# Good afternoon, I have a problem running the feature

**URL:** <https://forum.katalon.com/t/good-afternoon-i-have-a-problem-running-the-feature/13498>\
**Category:** Miscellaneous\
**Tags:** bdd-testing, katalon-studio\
**Created:** [October 1, 2018, 7:24pm UTC](https://forum.katalon.com/t/good-afternoon-i-have-a-problem-running-the-feature/13498 "2018-10-01T19:24:27Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![kazurayam](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/kazurayam/32/333_2.png) [@kazurayam](https://forum.katalon.com/u/kazurayam)\
**Post date:** [January 8, 2019, 4:10am UTC](https://forum.katalon.com/t/good-afternoon-i-have-a-problem-running-the-feature/13498/8 "2019-01-08T04:10:01Z")

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I encountered the similar issue and resolved it.

See the following:

> [@Keyword runFeatureFile was failed (Root cause: java.lang.NoClassDefFoundError: Boolean)](http://forum.katalon.com/t/keyword-runfeaturefile-was-failed-root-cause-java-lang-noclassdeffounderror-boolean/17269):
>
> I am using Katalon Studio v5.10.1 on mac OS High Siera 10.13 I started learning BDD Testing Framework in Katalon Studio. I read the manual [https://docs.katalon.com/katalon-studio/docs/cucumber-features-file.html](https://docs.katalon.com/katalon-studio/docs/cucumber-features-file.html)[https://docs.katalon.com/katalon-studio/docs/step-definitions.html](https://docs.katalon.com/katalon-studio/docs/step-definitions.html)[https://docs.katalon.com/katalon-studio/docs/running-cucumber-features-file.html](https://docs.katalon.com/katalon-studio/docs/running-cucumber-features-file.html) and retyped the sample Cucumber Feature and Script. I have made a demo project on GitHub: When I ran the “My Feature File.feature”, I…

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