diff --git a/app/features/user-page/core/widgets/widget-form-schemas.ts b/app/features/user-page/core/widgets/widget-form-schemas.ts
index d33687786..2601e9794 100644
--- a/app/features/user-page/core/widgets/widget-form-schemas.ts
+++ b/app/features/user-page/core/widgets/widget-form-schemas.ts
@@ -114,6 +114,7 @@ export const artSchema = z.object({
 export const linksSchema = z.object({
 	links: array({
 		label: "labels.urls",
+		min: 1,
 		max: 10,
 		field: textFieldRequired({
 			maxLength: 150,
diff --git a/app/features/user-page/routes/u.$identifier.edit-widgets.tsx b/app/features/user-page/routes/u.$identifier.edit-widgets.tsx
index 23d3379bd..368a490a0 100644
--- a/app/features/user-page/routes/u.$identifier.edit-widgets.tsx
+++ b/app/features/user-page/routes/u.$identifier.edit-widgets.tsx
@@ -15,7 +15,7 @@ import {
 } from "@dnd-kit/sortable";
 import { CSS } from "@dnd-kit/utilities";
 import { Search as SearchIcon } from "lucide-react";
-import { useState } from "react";
+import { useEffect, useState } from "react";
 import { useTranslation } from "react-i18next";
 import { useFetcher, useLoaderData } from "react-router";
 import { SendouButton } from "~/components/elements/Button";
@@ -29,6 +29,7 @@ import {
 	defaultStoredWidget,
 	findWidgetById,
 } from "~/features/user-page/core/widgets/portfolio";
+import { getWidgetFormSchema } from "~/features/user-page/core/widgets/widget-form-schemas";
 import { USER } from "~/features/user-page/user-page-constants";
 import { useHydrated } from "~/hooks/useHydrated";
 import { action } from "../actions/u.$identifier.edit-widgets.server";
@@ -48,6 +49,9 @@ export default function EditWidgetsPage() {
 		Array<Tables["UserWidget"]["widget"]>
 	>(data.currentWidgets);
 	const [expandedWidgetId, setExpandedWidgetId] = useState<string | null>(null);
+	const [pendingScrollWidgetId, setPendingScrollWidgetId] = useState<
+		string | null
+	>(null);
 
 	const mainWidgets = selectedWidgets.filter((w) => {
 		const def = findWidgetById(w.id);
@@ -112,12 +116,20 @@ export default function EditWidgetsPage() {
 
 	const removeWidget = (widgetId: string) => {
 		setSelectedWidgets(selectedWidgets.filter((w) => w.id !== widgetId));
-		if (expandedWidgetId === widgetId) {
-			setExpandedWidgetId(null);
-		}
+		setExpandedWidgetId((prev) => (prev === widgetId ? null : prev));
 	};
 
 	const handleSubmit = () => {
+		const invalidWidgetIds = computeInvalidWidgetIds(selectedWidgets);
+		const firstInvalid = selectedWidgets.find((w) =>
+			invalidWidgetIds.has(w.id),
+		);
+		if (firstInvalid) {
+			setExpandedWidgetId(firstInvalid.id);
+			setPendingScrollWidgetId(firstInvalid.id);
+			return;
+		}
+
 		fetcher.submit(
 			{ widgets: selectedWidgets } as unknown as Record<string, string>,
 			{ method: "post", encType: "application/json" },
@@ -131,9 +143,19 @@ export default function EditWidgetsPage() {
 	};
 
 	const toggleExpanded = (widgetId: string) => {
-		setExpandedWidgetId(expandedWidgetId === widgetId ? null : widgetId);
+		setExpandedWidgetId((prev) => (prev === widgetId ? null : widgetId));
 	};
 
+	useEffect(() => {
+		if (!pendingScrollWidgetId) return;
+		if (expandedWidgetId !== pendingScrollWidgetId) return;
+		const panel = document.querySelector<HTMLDivElement>(
+			`[data-widget-settings="${pendingScrollWidgetId}"]`,
+		);
+		scrollToFirstWidgetError(panel);
+		setPendingScrollWidgetId(null);
+	}, [pendingScrollWidgetId, expandedWidgetId]);
+
 	if (!isHydrated) {
 		return <Placeholder />;
 	}
@@ -444,7 +466,7 @@ function DraggableWidgetItem({
 			</div>
 
 			{isExpanded && hasSettings ? (
-				<div className={styles.widgetSettings}>
+				<div data-widget-settings={widget.id} className={styles.widgetSettings}>
 					<WidgetSettingsForm
 						widget={widget}
 						onSettingsChange={onSettingsChange}
@@ -463,3 +485,22 @@ const WIDGET_DESCRIPTION_PARAMS: Record<string, Record<string, unknown>> = {
 function widgetDescriptionParams(widgetId: string) {
 	return WIDGET_DESCRIPTION_PARAMS[widgetId];
 }
+
+function scrollToFirstWidgetError(container: HTMLDivElement | null) {
+	const target = container?.querySelector<HTMLElement>('[id$="-error"]');
+	target?.scrollIntoView({ behavior: "smooth", block: "center" });
+}
+
+function computeInvalidWidgetIds(
+	widgets: Array<Tables["UserWidget"]["widget"]>,
+): Set<string> {
+	const invalid = new Set<string>();
+	for (const widget of widgets) {
+		const schema = getWidgetFormSchema(widget.id);
+		if (!schema) continue;
+		if (!schema.safeParse(widget.settings ?? {}).success) {
+			invalid.add(widget.id);
+		}
+	}
+	return invalid;
+}
diff --git a/app/form/SendouForm.tsx b/app/form/SendouForm.tsx
index 636c1228f..dc717651e 100644
--- a/app/form/SendouForm.tsx
+++ b/app/form/SendouForm.tsx
@@ -103,15 +103,15 @@ export function SendouForm<T extends z.ZodRawShape>({
 	const { t } = useTranslation(["forms"]);
 	const fetcher = useFetcher<{ fieldErrors?: Record<string, string> }>();
 	const [hasSubmitted, setHasSubmitted] = React.useState(false);
+	const initialValues = buildInitialValues(schema, defaultValues);
 	const [clientErrors, setClientErrors] = React.useState<
 		Partial<Record<string, string>>
-	>({});
+	>(() => (autoApply ? computeInitialErrors(schema, initialValues) : {}));
 	const [visibleServerErrors, setVisibleServerErrors] = React.useState<
 		Partial<Record<string, string>>
 	>(fetcher.data?.fieldErrors ?? {});
 	const [fallbackError, setFallbackError] = React.useState<string | null>(null);
 
-	const initialValues = buildInitialValues(schema, defaultValues);
 	const [values, setValues] =
 		React.useState<Record<string, unknown>>(initialValues);
 
@@ -279,7 +279,11 @@ export function SendouForm<T extends z.ZodRawShape>({
 	const onFieldChange =
 		autoSubmit || autoApply
 			? (changedName: string, changedValue: unknown) => {
-					const updatedValues = { ...values, [changedName]: changedValue };
+					const isNestedPath =
+						changedName.includes(".") || changedName.includes("[");
+					const updatedValues = isNestedPath
+						? setNestedValue(values, changedName, changedValue)
+						: { ...values, [changedName]: changedValue };
 
 					const newErrors: Record<string, string> = {};
 					for (const key of Object.keys(schema.shape)) {
@@ -289,14 +293,12 @@ export function SendouForm<T extends z.ZodRawShape>({
 						}
 					}
 
-					if (Object.keys(newErrors).length > 0) {
-						setClientErrors(newErrors);
-						return;
-					}
+					setClientErrors(newErrors);
+					const hasFieldErrors = Object.keys(newErrors).length > 0;
 
 					if (autoApply && onApply) {
 						onApply(updatedValues as z.infer<z.ZodObject<T>>);
-					} else if (autoSubmit) {
+					} else if (autoSubmit && !hasFieldErrors) {
 						fetcher.submit(
 							addRevalidateRoot(updatedValues) as Record<string, string>,
 							{
@@ -430,6 +432,18 @@ function buildFieldPath(path: PropertyKey[]): string | null {
 		.join("");
 }
 
+function computeInitialErrors<T extends z.ZodRawShape>(
+	schema: z.ZodObject<T>,
+	values: Record<string, unknown>,
+): Partial<Record<string, string>> {
+	const errors: Record<string, string> = {};
+	for (const key of Object.keys(schema.shape)) {
+		const error = validateField(schema, key, values[key]);
+		if (error) errors[key] = error;
+	}
+	return errors;
+}
+
 function buildInitialValues<T extends z.ZodRawShape>(
 	schema: z.ZodObject<T>,
 	defaultValues?: Partial<z.input<z.ZodObject<T>>> | null,