diff --git a/src/spaceone/dashboard/manager/data_table_manager/data_source_manager.py b/src/spaceone/dashboard/manager/data_table_manager/data_source_manager.py
index d0b84aa..19de655 100644
--- a/src/spaceone/dashboard/manager/data_table_manager/data_source_manager.py
+++ b/src/spaceone/dashboard/manager/data_table_manager/data_source_manager.py
@@ -115,9 +115,13 @@ def load(
 
             if additional_labels := self.options.get("additional_labels"):
                 self._add_labels(additional_labels)
+
+            self.state = "AVAILABLE"
+            self.error_message = None
+
         except Exception as e:
-            self.error_message = e.message if hasattr(e, "message") else str(e)
             self.state = "UNAVAILABLE"
+            self.error_message = e.message if hasattr(e, "message") else str(e)
             _LOGGER.error(f"[load] add {self.source_type} source error: {e}")
 
         return self.df
diff --git a/src/spaceone/dashboard/manager/data_table_manager/data_transformation_manager.py b/src/spaceone/dashboard/manager/data_table_manager/data_transformation_manager.py
index 1f3e201..8b42bf4 100644
--- a/src/spaceone/dashboard/manager/data_table_manager/data_transformation_manager.py
+++ b/src/spaceone/dashboard/manager/data_table_manager/data_transformation_manager.py
@@ -91,9 +91,13 @@ def load(
                 self.query_data_table(granularity, start, end, vars)
             elif self.operator == "EVAL":
                 self.evaluate_data_table(granularity, start, end, vars)
+
+            self.state = "AVAILABLE"
+            self.error_message = None
+
         except Exception as e:
-            self.error_message = e.message if hasattr(e, "message") else str(e)
             self.state = "UNAVAILABLE"
+            self.error_message = e.message if hasattr(e, "message") else str(e)
             _LOGGER.error(f"[load] {self.operator} operation error: {e}")
 
         return self.df