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+---
+author: Erik Montnémery
+authorURL: https://github.com/emontnemery
+title: "Numerical sensors are no longer allowed to set their state to NaN or inf"
+---
+
+Numerical sensors are no longer allowed to set their state to [Not a Number](https://en.wikipedia.org/wiki/NaN) or to positive or negative infinity.
+
+The change was introduce in [core PR#98110](https://github.com/home-assistant/core/pull/98110)
+
+For more details, refer to the [`sensor` documentation](/docs/core/entity/sensor).