# A world gimmick using the Creator Economy's open listing system

**URL:** <https://ask.vrchat.com/t/a-world-gimmick-using-the-creator-economys-open-listing-system/44263>\
**Category:** Help!\
**Created:** [June 3, 2025, 3:46am UTC](https://ask.vrchat.com/t/a-world-gimmick-using-the-creator-economys-open-listing-system/44263 "2025-06-03T03:46:06Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Aki\_Saikawa](https://yyz1.discourse-cdn.com/vrchat/user_avatar/ask.vrchat.com/aki_saikawa/32/38353_2.png) [@Aki\_Saikawa](https://ask.vrchat.com/u/Aki_Saikawa)\
**Post date:** [June 3, 2025, 3:46am UTC](https://ask.vrchat.com/t/a-world-gimmick-using-the-creator-economys-open-listing-system/44263/1 "2025-06-03T03:46:06Z")

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I’m using the Creator Economy system to create a gimmick in my VRChat world where players can pay VRChat credits to spawn a game object.  
After uploading and testing the world, the purchase screen appears, but it shows the message “you must be in the world to make this purchase,” and the purchase cannot be completed.  
I’m not sure what’s causing this issue. If anyone knows how to fix it, I’d greatly appreciate your help.

> **[Open Listing | VRChat Creation](https://creators.vrchat.com/economy/sdk/examples/open-listing/)**
>
> Opens a listing.