Why the slider question shows invalid error to subject | XM Community
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Hi, 

I am creating a slider question let subject feedback from 0 to 20. I added 20 grid lines and checked snap to grid line. However, when doing the pilot test, subject receive an error “invalid value” for some questions some number. 

Any idea what caused this problem? 

Many thanks. 

Best, 

Shawn

You’ll have to share a bit more info, like screenshots, link to the preview etc.

Thank you for your reminding. 

the setup and preview are attached: 

Somehow, I couldn’t repeat this error in preview.  

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