# Quick suggestion needed please

**URL:** <https://community.gatling.io/t/quick-suggestion-needed-please/5887>\
**Category:** Gatling (Open-Source)\
**Created:** [November 11, 2020, 11:12am UTC](https://community.gatling.io/t/quick-suggestion-needed-please/5887 "2020-11-11T11:12:06Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Kuldeep\_Sahu](https://avatars.discourse-cdn.com/v4/letter/k/f14d63/32.png) [@Kuldeep\_Sahu](https://community.gatling.io/u/Kuldeep_Sahu)\
**Post date:** [November 11, 2020, 11:12am UTC](https://community.gatling.io/t/quick-suggestion-needed-please/5887/1 "2020-11-11T11:12:06Z")

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What is the solution of theser error as i am facing this.

**Check validator resolution crashed**

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**Author:** ![slandelle](https://dub1.discourse-cdn.com/flex013/user_avatar/community.gatling.io/slandelle/32/4_2.png) [@slandelle](https://community.gatling.io/u/slandelle)\
**Post date:** [November 11, 2020, 12:48pm UTC](https://community.gatling.io/t/quick-suggestion-needed-please/5887/2 "2020-11-11T12:48:13Z")

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It looks like you’re still using Gatling 2, which was terminated several years ago.  
Please upgrade, and then report the full error message and a reproducer [as instructed in this group’s terms](https://groups.google.com/g/gatling):

- **Provide a** **Short, Self Contained, Correct (Compilable), Example (see** **[http://sscce.org/](http://sscce.org/))**