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src/components/manifest/ManifestLines.jsx

@@ -114,8 +114,21 @@ class ManifestLines extends PureComponent {
                     }
                   }
 
-                  return Array.isArray(lines) &&
-                    lines.map((line, index) => {
+                  if (!lines || lines.length === 0) {
+                    return (
+                      <TableRow>
+                        <TableCell
+                          colSpan={columns.length + 1}
+                          align="center"
+                          sx={{ py: 3, color: 'text.secondary', fontSize: '0.82rem' }}
+                        >
+                          Keine Positionen vorhanden
+                        </TableCell>
+                      </TableRow>
+                    );
+                  }
+
+                  return lines.map((line, index) => {
                       const lineKey = line.key ?? index;
                       const rawSku = line.sku != null ? String(line.sku).trim() : '';
                       const isOnShipment = kind === 'order' && Boolean(rawSku && shippedSkus.has(rawSku.toLowerCase()));