DAQ: added in magnet_positon sensor exception_handler.py

src/aare/common/exception_handler.py

@@ -296,5 +296,17 @@ class AerotechCommunicationError(Exception):
             },
         )
 
+    def __str__(self) -> str:
+        return self.message
+
+class MagnetPositionSensorErorr(Exception):
+    def __init__(self, message: str = "Magnet position sensor error"):
+        super().__init__(message)
+        self.message = message
+        logger.error(
+            message,
+            extra={"device": "magnet_position_sensor"},
+        )
+
     def __str__(self) -> str:
         return self.message