How do I get rid of this text in the output window?

16:54:27.167 - cloud_4588504384.Encouragement.Core.MainPlugin:29: setState cannot be used in the render method.
16:54:27.168 - render must be a pure function that only depends on props and state.
16:54:27.168 - 
16:54:27.169 - Check the definition of render in the component "MainPlugin".
...
16:54:27.317 - cloud_4588504384.Encouragement.Core.MainPlugin:29: setState cannot be used in the render method.
16:54:27.317 - render must be a pure function that only depends on props and state.
16:54:27.317 - 
16:54:27.317 - Check the definition of render in the component "MainPlugin".

This happens every time when I go into Play Solo, even in a completely blank place. I've looked at a couple videos with Roblox Studio in them, and I think this is only happening to me.