diff --git a/src/ansys/fluent/core/services/solution_variables.py b/src/ansys/fluent/core/services/solution_variables.py
index 655bef2f5b8..651ad1cb7a5 100644
--- a/src/ansys/fluent/core/services/solution_variables.py
+++ b/src/ansys/fluent/core/services/solution_variables.py
@@ -327,6 +327,19 @@ def __init__(self, zone_name: str, allowed_values: List[str]):
         )
 
 
+class DomainError(ValueError):
+    """Exception class for errors in domain name."""
+
+    def __init__(self, domain_name: str, allowed_values: List[str]):
+        """Initialize DomainError."""
+        self.domain_name = domain_name
+        super().__init__(
+            allowed_name_error_message(
+                context="domain", trial_name=domain_name, allowed_values=allowed_values
+            )
+        )
+
+
 class _AllowedNames:
     def is_valid(self, name):
         """Check whether a given name is valid or not."""
@@ -422,11 +435,11 @@ def valid_name(self, domain_name):
 
         Raises
         ------
-        ZoneError
+        DomainError
             If the given domain name is invalid.
         """
         if not self.is_valid(domain_name):
-            raise ZoneError(
+            raise DomainError(
                 domain_name=domain_name,
                 allowed_values=self(),
             )