diff --git a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/class-dialog.svelte b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/class-dialog.svelte
index 6636c078..b3a75637 100644
--- a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/class-dialog.svelte
+++ b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/class-dialog.svelte
@@ -134,22 +134,6 @@
 			</Dialog.Description>
 		</Dialog.Header>
 
-		{#if classesLoadError}
-			<div
-				role="alert"
-				class="mx-6 mt-2 flex gap-2 rounded-md border border-destructive/25 bg-destructive/5 p-2.5 text-sm text-destructive"
-			>
-				<AlertCircle class="mt-0.5 h-4 w-4 shrink-0" />
-				<p class="font-medium leading-snug">{classesLoadError}</p>
-				<button
-					type="button"
-					class="ml-auto shrink-0 cursor-pointer opacity-60 hover:opacity-100"
-					onclick={() => (classesLoadError = '')}
-					aria-label="Cerrar"
-				>×</button>
-			</div>
-		{/if}
-
 		<div class="px-6 py-2">
 			<div class="relative group">
 				<Search class="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-zinc-400 transition-colors group-focus-within:text-blue-500" />
diff --git a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/part-number-dialog.svelte b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/part-number-dialog.svelte
index 78fdde77..a33a6a3d 100644
--- a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/part-number-dialog.svelte
+++ b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/part-number-dialog.svelte
@@ -132,22 +132,6 @@
 			</Dialog.Description>
 		</Dialog.Header>
 
-		{#if partsLoadError}
-			<div
-				role="alert"
-				class="mx-6 mt-2 flex gap-2 rounded-md border border-destructive/25 bg-destructive/5 p-2.5 text-sm text-destructive"
-			>
-				<AlertCircle class="mt-0.5 h-4 w-4 shrink-0" />
-				<p class="font-medium leading-snug">{partsLoadError}</p>
-				<button
-					type="button"
-					class="ml-auto shrink-0 cursor-pointer opacity-60 hover:opacity-100"
-					onclick={() => (partsLoadError = '')}
-					aria-label="Cerrar"
-				>×</button>
-			</div>
-		{/if}
-
 		<div class="px-6 py-2">
 			<div class="relative group">
 				<Search class="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-zinc-400 transition-colors group-focus-within:text-blue-500" />
diff --git a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/tab-series.svelte b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/tab-series.svelte
index cf666449..82e4aee7 100644
--- a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/tab-series.svelte
+++ b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/tab-series.svelte
@@ -173,22 +173,6 @@
 <fieldset class="border rounded-md p-3 space-y-3">
 	<legend class="text-xs font-semibold px-2 uppercase">Series</legend>
 
-	{#if seriesErrorMessage}
-		<div
-			role="alert"
-			class="flex gap-2 rounded-md border border-destructive/25 bg-destructive/5 p-2.5 text-sm text-destructive"
-		>
-			<AlertCircle class="mt-0.5 h-4 w-4 shrink-0" />
-			<p class="font-medium leading-snug">{seriesErrorMessage}</p>
-			<button
-				type="button"
-				class="ml-auto shrink-0 cursor-pointer opacity-60 hover:opacity-100"
-				onclick={() => (seriesErrorMessage = '')}
-				aria-label="Cerrar"
-			>×</button>
-		</div>
-	{/if}
-
 	<div class="flex items-center justify-between gap-2 flex-wrap">
 		<div class="flex items-center space-x-1.5">
 			<Checkbox 
diff --git a/frontend/src/lib/components/ui/error-panel-notice.svelte b/frontend/src/lib/components/ui/error-panel-notice.svelte
index 996f4db3..e69de29b 100644
--- a/frontend/src/lib/components/ui/error-panel-notice.svelte
+++ b/frontend/src/lib/components/ui/error-panel-notice.svelte
@@ -1,203 +0,0 @@
-<script lang="ts">
-	import { AlertCircle, AlertTriangle, ChevronDown, ChevronUp, X } from 'lucide-svelte';
-	import { cn } from '$lib/utils';
-
-	export type ErrorPanelNoticeRow = {
-		field: string;
-		message: string;
-	};
-
-	export type ErrorPanelNoticeVariant = 'error' | 'warning';
-
-	export type ErrorPanelNoticeLabels = {
-		clear: string;
-		columnType: string;
-		columnField: string;
-		columnMessage: string;
-		emptyField: string;
-		dismissRowAria: string;
-		toggleDetailsAria: string;
-	};
-
-	let {
-		open,
-		variant = 'error',
-		title,
-		rows = [],
-		durationMs = 12000,
-		labels,
-		dismissibleRows = true,
-		class: className = '',
-		onClose,
-		onDismissRow
-	}: {
-		open: boolean;
-		variant?: ErrorPanelNoticeVariant;
-		title: string;
-		rows: ErrorPanelNoticeRow[];
-		durationMs?: number;
-		labels: ErrorPanelNoticeLabels;
-		dismissibleRows?: boolean;
-		class?: string;
-		onClose?: () => void;
-		onDismissRow?: (index: number) => void;
-	} = $props();
-
-	let expanded = $state(true);
-
-	const isWarning = $derived(variant === 'warning');
-
-	/** Re-expand the table when the panel opens or when errors/warnings change (new batch). */
-	$effect(() => {
-		if (!open) return;
-		void title;
-		void variant;
-		void JSON.stringify(rows);
-		expanded = true;
-	});
-
-	$effect(() => {
-		if (!open || durationMs <= 0) return;
-		void rows.length;
-		const t = setTimeout(() => onClose?.(), durationMs);
-		return () => clearTimeout(t);
-	});
-
-	function toggleExpanded() {
-		expanded = !expanded;
-	}
-</script>
-
-{#if open}
-	<div
-		data-partida-notice-layer
-		role={isWarning ? 'status' : 'alert'}
-		class={cn(
-			// Above sonner; inset-left keeps the panel aligned with empty space in Partidas
-			'pointer-events-auto fixed top-4 left-0 z-[1000000000] flex w-[min(100vw-2rem,30rem)] max-h-[min(72vh,calc(100vh-2rem))] flex-col overflow-hidden rounded-lg border bg-background text-foreground shadow-xl sm:left-1',
-			isWarning ? 'border-amber-400/40' : 'border-border',
-			className
-		)}
-	>
-		<!-- Header -->
-		<div
-			class={cn(
-				'flex shrink-0 items-center gap-2 border-b px-3 py-2.5',
-				isWarning
-					? 'border-amber-400/30 bg-amber-500/10 dark:bg-amber-500/15'
-					: 'border-destructive/20 bg-destructive/10 dark:bg-destructive/15'
-			)}
-		>
-			<span
-				class={cn(
-					'flex size-7 shrink-0 items-center justify-center rounded-full',
-					isWarning
-						? 'bg-amber-500 text-white'
-						: 'bg-destructive text-destructive-foreground'
-				)}
-				aria-hidden="true"
-			>
-				{#if isWarning}
-					<AlertTriangle class="size-4" />
-				{:else}
-					<AlertCircle class="size-4" />
-				{/if}
-			</span>
-			<p class="min-w-0 flex-1 text-sm font-semibold text-foreground">{title}</p>
-
-			<button
-				type="button"
-				class="inline-flex h-7 cursor-pointer items-center rounded-md px-2 text-xs text-muted-foreground transition-colors hover:bg-muted hover:text-foreground"
-				onclick={() => onClose?.()}
-			>
-				{labels.clear}
-			</button>
-
-			<button
-				type="button"
-				class="inline-flex size-7 cursor-pointer items-center justify-center rounded-md text-muted-foreground transition-colors hover:bg-muted hover:text-foreground"
-				onclick={toggleExpanded}
-				aria-expanded={expanded}
-				aria-label={labels.toggleDetailsAria}
-			>
-				{#if expanded}
-					<ChevronUp class="size-4" />
-				{:else}
-					<ChevronDown class="size-4" />
-				{/if}
-			</button>
-		</div>
-
-		{#if expanded && rows.length > 0}
-			<div class="min-h-0 flex-1 overflow-y-auto">
-				<table class="w-full border-collapse text-sm">
-					<thead>
-						<tr class="border-b border-border bg-muted/30">
-							<th
-								class="w-10 px-2 py-1.5 text-center text-[10px] font-semibold tracking-widest text-muted-foreground uppercase"
-							>
-								{labels.columnType}
-							</th>
-							<th
-								class="w-[38%] px-2 py-1.5 text-center text-[10px] font-semibold tracking-widest text-muted-foreground uppercase"
-							>
-								{labels.columnField}
-							</th>
-							<th
-								class="px-2 py-1.5 text-left text-[10px] font-semibold tracking-widest text-muted-foreground uppercase"
-							>
-								{labels.columnMessage}
-							</th>
-							{#if dismissibleRows && onDismissRow}
-								<th class="w-8"></th>
-							{/if}
-						</tr>
-					</thead>
-					<tbody>
-						{#each rows as row, i (i)}
-							<tr class="border-b border-border/50 hover:bg-muted/20">
-								<td class="px-2 py-2.5 text-center align-middle">
-									<span
-										class={cn(
-											'inline-flex size-5 items-center justify-center rounded-full text-[11px] font-bold leading-none',
-											isWarning
-												? 'bg-amber-500 text-white'
-												: 'bg-destructive text-destructive-foreground'
-										)}
-										aria-hidden="true"
-									>
-										{#if isWarning}
-											<AlertTriangle class="size-3" />
-										{:else}
-											×
-										{/if}
-									</span>
-								</td>
-								<td
-									class="break-words px-2 py-2.5 align-middle text-center font-semibold text-foreground"
-								>
-									{row.field || labels.emptyField}
-								</td>
-								<td class="break-words px-2 py-2.5 align-top text-left leading-relaxed text-muted-foreground">
-									{row.message}
-								</td>
-								{#if dismissibleRows && onDismissRow}
-									<td class="px-1 py-2 text-center align-middle">
-										<button
-											type="button"
-											class="inline-flex size-6 cursor-pointer items-center justify-center rounded text-muted-foreground transition-colors hover:bg-muted hover:text-foreground"
-											onclick={() => onDismissRow!(i)}
-											aria-label={labels.dismissRowAria}
-										>
-											<X class="size-3" />
-										</button>
-									</td>
-								{/if}
-							</tr>
-						{/each}
-					</tbody>
-				</table>
-			</div>
-		{/if}
-	</div>
-{/if}
diff --git a/frontend/src/routes/dashboard/export/manifest/+page.svelte b/frontend/src/routes/dashboard/export/manifest/+page.svelte
index 72fcebd5..06c7f2f3 100644
--- a/frontend/src/routes/dashboard/export/manifest/+page.svelte
+++ b/frontend/src/routes/dashboard/export/manifest/+page.svelte
@@ -47,7 +47,10 @@
 	let showDetails = $state(false);
 
 
-	const columns = createColumns();
+	const isError = $derived(!canView || status >= 400 || error);
+
+	// Pasamos canEdit y canDelete a las columnas por si tu DataTable tiene acciones por fila
+	const columns = createColumns({ canEdit, canDelete });
 
 	// --- Lifecycle ---
 	onMount(() => {
diff --git a/frontend/src/routes/dashboard/goods/fda-codes/+page.svelte b/frontend/src/routes/dashboard/goods/fda-codes/+page.svelte
index 9ddf117d..fb967805 100644
--- a/frontend/src/routes/dashboard/goods/fda-codes/+page.svelte
+++ b/frontend/src/routes/dashboard/goods/fda-codes/+page.svelte
@@ -393,21 +393,23 @@
 				</Table.Root>
 			</div>
 
-			<!-- Footer de Tabla -->
-			{#if filteredFdaList.length > 0}
-				<div class="flex items-center justify-between border-t bg-muted/30 px-4 py-3">
-					<span class="text-sm text-muted-foreground">
-						Mostrando {filteredFdaList.length} registros
-					</span>
-					{#if searchQuery}
-						<Badge variant="secondary" class="gap-2">
-							Filtro: "{searchQuery}"
-							<button onclick={() => (searchQuery = '')} class="hover:text-destructive"> x </button>
-						</Badge>
-					{/if}
-				</div>
-			{/if}
-		</Card.Root>
+				{#if filteredFdaList.length > 0}
+					<div class="flex items-center justify-between border-t bg-muted/30 px-4 py-3">
+						<span class="text-sm text-muted-foreground">
+							Mostrando {filteredFdaList.length} registros
+						</span>
+						{#if searchQuery}
+							<Badge variant="secondary" class="gap-2">
+								Filtro: "{searchQuery}"
+								<button onclick={() => (searchQuery = '')} class="hover:text-destructive">
+									×
+								</button>
+							</Badge>
+						{/if}
+					</div>
+				{/if}
+			</Card.Root>
+		{/if}
 	</div>