"do not run what you just ran"

[HugeCoolboy2007 (omega)]

Looking a bit further, there’s a bug report that was filed for this:

MarketplaceService:PromptProductPurchase throws error "do not run what you just ran (vulnerable function)" for some players

We have a bug in Sumo Simulator where some calls to MarketplaceService:PromptProductPurchase throws the error “do not run what you just ran (vulnerable function)”. We added debug logging to ensure that the player and the Developer Product ID to the call is correct, The products are not “third party products” and “third party sales” is enabled either way. The frequency of this happening in Sumo Simulator is about 2 times per minute and it is happening for multiple users. Purchases seems to wor…

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This could’ve been added by Roblox because of some security vulnerabilities that were discovered around a year ago with these methods (and events); so maybe that’s what it is?