diff --git a/Client/src/Validation/error.js b/Client/src/Validation/error.js
index 0e675f413..e205ce7d1 100644
--- a/Client/src/Validation/error.js
+++ b/Client/src/Validation/error.js
@@ -1,7 +1,7 @@
 const buildErrors = (prev, id, error) => {
 	const updatedErrors = { ...prev };
 	if (error) {
-		updatedErrors[id] = error.details[0].message;
+		updatedErrors[id] = error.details[0].message?? "Validation error";
 	} else {
 		delete updatedErrors[id];
 	}
@@ -15,7 +15,7 @@ const hasValidationErrors = (form, validation, setErrors) => {
 	if (error) {
 		const newErrors = {};
 		error.details.forEach((err) => {
-			newErrors[err.path[0]] = err.message;
+			newErrors[err.path[0]] = err.message?? "Validation error";
 		});
 		setErrors(newErrors);
 		return true;
diff --git a/Client/src/Validation/validation.js b/Client/src/Validation/validation.js
index 1a9742e21..a6ec7688c 100644
--- a/Client/src/Validation/validation.js
+++ b/Client/src/Validation/validation.js
@@ -133,7 +133,7 @@ const advancedSettingsValidation = joi.object({
 		"string.empty": "API base url is required.",
 		"string.uri": "The URL you provided is not valid.",
 	}),
-	logLevel: joi.string(),
+	logLevel: joi.string().valid("debug", "none", "error", "warn").allow(""),
 	systemEmailHost: joi.string().allow(''),
 	systemEmailPort: joi.string().allow(''),
 	systemEmailAddress: joi