diff --git a/interface/src/SignIn.tsx b/interface/src/SignIn.tsx
index 7b26d94dc..c3955d286 100644
--- a/interface/src/SignIn.tsx
+++ b/interface/src/SignIn.tsx
@@ -18,7 +18,7 @@ import { PROJECT_NAME } from 'env';
 import { useI18nContext } from 'i18n/i18n-react';
 import type { SignInRequest } from 'types';
 import { onEnterCallback, updateValue } from 'utils';
-import { SIGN_IN_REQUEST_VALIDATOR, validate } from 'validators';
+import { SIGN_IN_REQUEST_VALIDATOR, ValidationError, validate } from 'validators';
 
 const SignIn = memo(() => {
   const authenticationContext = useContext(AuthenticationContext);
@@ -74,7 +74,7 @@ const SignIn = memo(() => {
       await validate(SIGN_IN_REQUEST_VALIDATOR, signInRequest);
       await signIn();
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
       setProcessing(false);
     }
   }, [signInRequest, signIn, LL]);
diff --git a/interface/src/app/main/CustomEntitiesDialog.tsx b/interface/src/app/main/CustomEntitiesDialog.tsx
index 170c5e888..b40e4aa25 100644
--- a/interface/src/app/main/CustomEntitiesDialog.tsx
+++ b/interface/src/app/main/CustomEntitiesDialog.tsx
@@ -28,7 +28,7 @@ import type { ValidateFieldsError } from 'async-validator';
 import { BlockFormControlLabel, ValidatedTextField } from 'components';
 import { useI18nContext } from 'i18n/i18n-react';
 import { numberValue, updateValue } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 
 import { DeviceValueType, DeviceValueTypeNames, DeviceValueUOM_s } from './types';
 import type { EntityItem } from './types';
@@ -136,7 +136,7 @@ const CustomEntitiesDialog = ({
       }
       onSave(processedItem);
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
   }, [validator, editItem, onSave]);
 
@@ -215,7 +215,7 @@ const CustomEntitiesDialog = ({
                   name="value"
                   label={LL.DEFAULT(0) + ' ' + LL.VALUE(0)}
                   type="string"
-                  value={editItem.value as string}
+                  value={editItem.value}
                   variant="outlined"
                   onChange={updateFormValue}
                   fullWidth
@@ -260,7 +260,7 @@ const CustomEntitiesDialog = ({
                   margin="normal"
                   sx={{ width: '11ch' }}
                   type="string"
-                  value={editItem.device_id as string}
+                  value={editItem.device_id}
                   onChange={updateFormValue}
                   slotProps={{
                     input: {
@@ -280,7 +280,7 @@ const CustomEntitiesDialog = ({
                   margin="normal"
                   sx={{ width: '11ch' }}
                   type="string"
-                  value={editItem.type_id as string}
+                  value={editItem.type_id}
                   onChange={updateFormValue}
                   slotProps={{
                     input: {
@@ -381,7 +381,7 @@ const CustomEntitiesDialog = ({
                     fieldErrors={fieldErrors || {}}
                     name="factor"
                     label={LL.BITMASK()}
-                    value={editItem.factor as string}
+                    value={editItem.factor}
                     sx={{ width: '11ch' }}
                     variant="outlined"
                     onChange={updateFormValue}
diff --git a/interface/src/app/main/DevicesDialog.tsx b/interface/src/app/main/DevicesDialog.tsx
index 5afa96666..fd2770e7d 100644
--- a/interface/src/app/main/DevicesDialog.tsx
+++ b/interface/src/app/main/DevicesDialog.tsx
@@ -24,7 +24,7 @@ import type { ValidateFieldsError } from 'async-validator';
 import { ValidatedTextField } from 'components';
 import { useI18nContext } from 'i18n/i18n-react';
 import { numberValue, updateValue } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 
 import { DeviceValueUOM, DeviceValueUOM_s } from './types';
 import type { DeviceValue } from './types';
@@ -67,7 +67,7 @@ const DevicesDialog = ({
       await validate(validator, editItem);
       onSave(editItem);
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
   }, [validator, editItem, onSave]);
 
diff --git a/interface/src/app/main/SchedulerDialog.tsx b/interface/src/app/main/SchedulerDialog.tsx
index 8277da6e3..27713de86 100644
--- a/interface/src/app/main/SchedulerDialog.tsx
+++ b/interface/src/app/main/SchedulerDialog.tsx
@@ -26,7 +26,7 @@ import type { ValidateFieldsError } from 'async-validator';
 import { BlockFormControlLabel, ValidatedTextField } from 'components';
 import { useI18nContext } from 'i18n/i18n-react';
 import { updateValue } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 
 import { ScheduleFlag } from './types';
 import type { ScheduleItem } from './types';
@@ -120,7 +120,7 @@ const SchedulerDialog = ({
         await validate(validator, itemToSave);
         onSave(itemToSave);
       } catch (error) {
-        setFieldErrors(error as ValidateFieldsError);
+        setFieldErrors((error as ValidationError).fieldErrors);
       }
     },
     [validator, onSave]
diff --git a/interface/src/app/main/SensorsAnalogDialog.tsx b/interface/src/app/main/SensorsAnalogDialog.tsx
index 10b49fbf8..ffc5a4485 100644
--- a/interface/src/app/main/SensorsAnalogDialog.tsx
+++ b/interface/src/app/main/SensorsAnalogDialog.tsx
@@ -23,7 +23,7 @@ import type { ValidateFieldsError } from 'async-validator';
 import { ValidatedTextField } from 'components';
 import { useI18nContext } from 'i18n/i18n-react';
 import { numberValue, updateValue } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 
 import { AnalogType, AnalogTypeNames, DeviceValueUOM_s } from './types';
 import type { AnalogSensor } from './types';
@@ -172,7 +172,7 @@ const SensorsAnalogDialog = ({
       await validate(validator, editItem);
       onSave(editItem);
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
   }, [validator, editItem, onSave]);
 
diff --git a/interface/src/app/main/SensorsTemperatureDialog.tsx b/interface/src/app/main/SensorsTemperatureDialog.tsx
index 31cdad43b..670b34244 100644
--- a/interface/src/app/main/SensorsTemperatureDialog.tsx
+++ b/interface/src/app/main/SensorsTemperatureDialog.tsx
@@ -21,7 +21,7 @@ import type { ValidateFieldsError } from 'async-validator';
 import { ValidatedTextField } from 'components';
 import { useI18nContext } from 'i18n/i18n-react';
 import { numberValue, updateValue } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 
 import type { TemperatureSensor } from './types';
 
@@ -84,7 +84,7 @@ const SensorsTemperatureDialog = ({
       await validate(validator, editItem);
       onSave(editItem);
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
   }, [validator, editItem, onSave]);
 
diff --git a/interface/src/app/settings/APSettings.tsx b/interface/src/app/settings/APSettings.tsx
index 593d0e45d..7d8c8875c 100644
--- a/interface/src/app/settings/APSettings.tsx
+++ b/interface/src/app/settings/APSettings.tsx
@@ -21,7 +21,7 @@ import { useI18nContext } from 'i18n/i18n-react';
 import type { APSettingsType } from 'types';
 import { APProvisionMode } from 'types';
 import { numberValue, updateValueDirty, useRest } from 'utils';
-import { createAPSettingsValidator, validate } from 'validators';
+import { ValidationError, createAPSettingsValidator, validate } from 'validators';
 
 export const isAPEnabled = ({ provision_mode }: APSettingsType) =>
   provision_mode === APProvisionMode.AP_MODE_ALWAYS ||
@@ -86,7 +86,7 @@ const APSettings = () => {
       await validate(createAPSettingsValidator(data), data);
       await saveData();
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
   }, [data, saveData]);
 
diff --git a/interface/src/app/settings/ApplicationSettings.tsx b/interface/src/app/settings/ApplicationSettings.tsx
index 68519d7b5..cae0b1e1b 100644
--- a/interface/src/app/settings/ApplicationSettings.tsx
+++ b/interface/src/app/settings/ApplicationSettings.tsx
@@ -34,7 +34,7 @@ import {
 } from 'components';
 import { useI18nContext } from 'i18n/i18n-react';
 import { numberValue, updateValueDirty, useRest } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 
 import { API, getBoardProfile, readSettings, writeSettings } from '../../api/app';
 import { BOARD_PROFILES } from '../main/types';
@@ -154,7 +154,7 @@ const ApplicationSettings = () => {
       setFieldErrors(undefined);
       await validate(createSettingsValidator(data), data);
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     } finally {
       await saveData();
     }
diff --git a/interface/src/app/settings/MqttSettings.tsx b/interface/src/app/settings/MqttSettings.tsx
index a2ae1c236..417fa8190 100644
--- a/interface/src/app/settings/MqttSettings.tsx
+++ b/interface/src/app/settings/MqttSettings.tsx
@@ -31,7 +31,7 @@ import {
 import { useI18nContext } from 'i18n/i18n-react';
 import type { MqttSettingsType } from 'types';
 import { numberValue, updateValueDirty, useRest } from 'utils';
-import { createMqttSettingsValidator, validate } from 'validators';
+import { ValidationError, createMqttSettingsValidator, validate } from 'validators';
 
 import { callAction } from '../../api/app';
 
@@ -94,7 +94,7 @@ const MqttSettings = () => {
       await validate(createMqttSettingsValidator(data), data);
       await saveData();
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
   }, [data, saveData]);
 
diff --git a/interface/src/app/settings/NTPSettings.tsx b/interface/src/app/settings/NTPSettings.tsx
index 9b36e417d..ff517a266 100644
--- a/interface/src/app/settings/NTPSettings.tsx
+++ b/interface/src/app/settings/NTPSettings.tsx
@@ -36,7 +36,7 @@ import {
 import { useI18nContext } from 'i18n/i18n-react';
 import type { NTPSettingsType, Time } from 'types';
 import { formatLocalDateTime, updateValueDirty, useRest } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 import { NTP_SETTINGS_VALIDATOR } from 'validators/ntp';
 
 import { TIME_ZONES, selectedTimeZone, useTimeZoneSelectItems } from './TZ';
@@ -133,7 +133,7 @@ const NTPSettings = () => {
       await validate(NTP_SETTINGS_VALIDATOR, data);
       await saveData();
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
   }, [data, saveData]);
 
diff --git a/interface/src/app/settings/network/NetworkSettings.tsx b/interface/src/app/settings/network/NetworkSettings.tsx
index 92651c654..5f96aa594 100644
--- a/interface/src/app/settings/network/NetworkSettings.tsx
+++ b/interface/src/app/settings/network/NetworkSettings.tsx
@@ -40,7 +40,7 @@ import {
 import { useI18nContext } from 'i18n/i18n-react';
 import type { NetworkSettingsType } from 'types';
 import { updateValueDirty, useRest } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 import { createNetworkSettingsValidator } from 'validators/network';
 
 import SystemMonitor from '../../status/SystemMonitor';
@@ -116,7 +116,7 @@ const NetworkSettings = () => {
       await validate(createNetworkSettingsValidator(data), data);
       await saveData();
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
     deselectNetwork();
   }, [data, saveData, deselectNetwork]);
diff --git a/interface/src/app/settings/security/SecuritySettings.tsx b/interface/src/app/settings/security/SecuritySettings.tsx
index b894a0e0a..117a84467 100644
--- a/interface/src/app/settings/security/SecuritySettings.tsx
+++ b/interface/src/app/settings/security/SecuritySettings.tsx
@@ -19,7 +19,7 @@ import { AuthenticatedContext } from 'contexts/authentication';
 import { useI18nContext } from 'i18n/i18n-react';
 import type { SecuritySettingsType } from 'types';
 import { updateValueDirty, useRest } from 'utils';
-import { SECURITY_SETTINGS_VALIDATOR, validate } from 'validators';
+import { SECURITY_SETTINGS_VALIDATOR, ValidationError, validate } from 'validators';
 
 const SecuritySettings = () => {
   const { LL } = useI18nContext();
@@ -58,7 +58,7 @@ const SecuritySettings = () => {
       await saveData();
       await authenticatedContext.refresh();
     } catch (error) {
-      setFieldErrors(error as ValidateFieldsError);
+      setFieldErrors((error as ValidationError).fieldErrors);
     }
   }, [data, saveData, authenticatedContext]);
 
diff --git a/interface/src/app/settings/security/User.tsx b/interface/src/app/settings/security/User.tsx
index 68f740647..bf1ce8862 100644
--- a/interface/src/app/settings/security/User.tsx
+++ b/interface/src/app/settings/security/User.tsx
@@ -24,7 +24,7 @@ import {
 import { useI18nContext } from 'i18n/i18n-react';
 import type { UserType } from 'types';
 import { updateValue } from 'utils';
-import { validate } from 'validators';
+import { ValidationError, validate } from 'validators';
 
 interface UserFormProps {
   creating: boolean;
@@ -69,7 +69,7 @@ const User: FC<UserFormProps> = ({
         await validate(validator, user);
         onDoneEditing();
       } catch (error) {
-        setFieldErrors(error as ValidateFieldsError);
+        setFieldErrors((error as ValidationError).fieldErrors);
       }
     }
   }, [user, validator, onDoneEditing]);
diff --git a/interface/src/validators/shared.ts b/interface/src/validators/shared.ts
index d1132d184..a0da4beb3 100644
--- a/interface/src/validators/shared.ts
+++ b/interface/src/validators/shared.ts
@@ -1,6 +1,20 @@
-import type { InternalRuleItem, ValidateOption } from 'async-validator';
+import type {
+  InternalRuleItem,
+  ValidateFieldsError,
+  ValidateOption
+} from 'async-validator';
 import type Schema from 'async-validator';
 
+export class ValidationError extends Error {
+  readonly fieldErrors: ValidateFieldsError;
+
+  constructor(fieldErrors: ValidateFieldsError) {
+    super('Validation failed');
+    this.name = 'ValidationError';
+    this.fieldErrors = fieldErrors;
+  }
+}
+
 export const validate = <T extends object>(
   validator: Schema,
   source: Partial<T>,
@@ -8,7 +22,7 @@ export const validate = <T extends object>(
 ): Promise<T> =>
   new Promise((resolve, reject) => {
     void validator.validate(source, options ?? {}, (errors, fieldErrors) => {
-      errors ? reject(fieldErrors as Error) : resolve(source as T);
+      errors ? reject(new ValidationError(fieldErrors)) : resolve(source as T);
     });
   });