It's a warning https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/v232/en/flu_ug/flu_ug_sec_overset.html so if the interface isn't interfering with the overset data transfer you should be OK. I don't know how the check is made, so you could find it's due to the distance relative to the domain scale.Â
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