diff --git a/README.md b/README.md
index 2aa03be..f3ce742 100644
--- a/README.md
+++ b/README.md
@@ -65,6 +65,7 @@ The variable `globalError` is used as a bitmask, where each bit represents a spe
 | `ERROR_TEMP_BELOW_MIN`      | 0b00001000 | The temperature is below the permissible minimum. There is a risk of hypothermia or other temperature-related issues. |
 | `ERROR_MAX_HUMI_EXCEEDED`   | 0b00010000 | The maximum humidity has been exceeded. This could lead to moisture-related problems. |
 | `ERROR_HUMI_BELOW_MIN`      | 0b00100000 | The humidity is below the permissible minimum. There is a risk of low humidity. |
+|`ERROR_INA226_UNCONFIGURED`  | 0b10000000 | The configuration settings for the shunt voltage and maximum current exceed the limits of the INA226 library. |
 
 Please note that multiple errors can occur simultaneously as the bitmasks can be combined. For example, `ERROR_MAX_TEMP_EXCEEDED | ERROR_MAX_HUMI_EXCEEDED` could indicate that both the maximum temperature and humidity have been exceeded.