diff --git a/src/components/PageTitle.tsx b/src/components/PageTitle.tsx
index 523b860..8ac37c2 100644
--- a/src/components/PageTitle.tsx
+++ b/src/components/PageTitle.tsx
@@ -16,7 +16,10 @@ export default function PageTitle({ location, header, description, backable = fa
 			<div>
 				<div style={{ fontSize: 12, color: '#667085' }}>
 					{backable && (
-						<Button type='default' onClick={() => navigate(-1)} style={{ marginRight: '5px' }}>
+						<Button
+							type='default'
+							onClick={() => (window.history.state?.idx === 0 ? navigate('/groups') : navigate(-1))}
+							style={{ marginRight: '5px' }}>
 							<ArrowLeftOutlined />
 							Назад
 						</Button>
diff --git a/src/layouts/ConsolidatedOsvPage.tsx b/src/layouts/ConsolidatedOsvPage.tsx
index ac31eb4..5e8ed22 100644
--- a/src/layouts/ConsolidatedOsvPage.tsx
+++ b/src/layouts/ConsolidatedOsvPage.tsx
@@ -8,6 +8,7 @@ import { getVersionCard } from '../services/api/consolidations';
 import { exportOsv } from '../services/api/osv';
 import type { VersionCard } from '../types/consolidations/version_members';
 import { exportFilename, saveBlob } from '../utils/download';
+import { quarterLabel } from '../utils/labels';
 import { statusMapping } from '../widgets/ConsoleTable/consts';
 import { OsvFilters } from '../widgets/ConsolidatedOsv/OsvFilters';
 import { OsvGaps } from '../widgets/ConsolidatedOsv/OsvGaps';
@@ -52,7 +53,7 @@ function OsvContent({ versionId }: { versionId: string }) {
 			<PageTitle
 				backable
 				location={`Отчётность › ${card?.company_group.name ?? ''} › Сводная ОСВ`}
-				header={card ? `Сводная ОСВ ${card.year} ${card.quarter} · версия ${card.version_no}` : 'Сводная ОСВ'}
+				header={card ? `Сводная ОСВ ${card.year}, ${quarterLabel(card.quarter)} · версия ${card.version_no}` : 'Сводная ОСВ'}
 				description={card ? (statusMapping[card.status] ?? card.status) : ''}
 			/>
 			<main
diff --git a/src/layouts/ConsolidationsList.tsx b/src/layouts/ConsolidationsList.tsx
index fdbab42..f3b1f5b 100644
--- a/src/layouts/ConsolidationsList.tsx
+++ b/src/layouts/ConsolidationsList.tsx
@@ -11,6 +11,13 @@ import { ConsoleLegalEntitiesTable } from '../widgets/ConsoleLegalEntities/Conso
 import { ConsoleTableWidget } from '../widgets/ConsoleTable/ConsoleTable';
 import { DocumentsDrawer } from '../widgets/FilesDrawer/FilesDrawer';
 
+// unwrap() бросает rejectValue (строку), fetch группы — ApiError
+function errorText(e: unknown): string {
+	if (e instanceof ApiError) return e.message;
+	if (typeof e === 'string') return e;
+	return 'Не удалось загрузить группу компаний';
+}
+
 export function ConsolidationPage() {
 	const [drawerOpen, setDrawerOpen] = useState(false);
 	const [reloadKey, setReloadKey] = useState(0);
@@ -31,17 +38,25 @@ export function ConsolidationPage() {
 				setComGroupName(data.name);
 				setLocationPath(`Отчетность>${data.name}>Консолидации`);
 				setDesc(`${data.legal_entities_count} организаций`);
-				await dispatch(getConsolidationsListThunk(id));
-				if (versionParam) dispatch(setSelectedVersion(versionParam));
+				await dispatch(getConsolidationsListThunk(id)).unwrap();
 			} catch (e: unknown) {
-				message.error(e instanceof ApiError ? e.message : 'Не удалось загрузить группу компаний');
+				message.error(errorText(e));
 			}
 		}
 		getAllInfo(group_id);
+	}, [dispatch, group_id]);
+
+	// выбор версии следует за ?version= и не перезагружает список
+	useEffect(() => {
+		dispatch(setSelectedVersion(versionParam));
+	}, [dispatch, versionParam]);
+
+	// уход со страницы сбрасывает выбор (при смене группы ?version= пропадает из URL — выбор сбросит эффект выше)
+	useEffect(() => {
 		return () => {
 			dispatch(setSelectedVersion(null));
 		};
-	}, [dispatch, group_id, versionParam]);
+	}, [dispatch]);
 	return (
 		<div
 			style={{
diff --git a/src/utils/labels.test.ts b/src/utils/labels.test.ts
index fac10ad..0a7457d 100644
--- a/src/utils/labels.test.ts
+++ b/src/utils/labels.test.ts
@@ -1,5 +1,13 @@
 import { describe, expect, it } from 'vitest';
-import { counterpartyTypeLabel, documentStatusLabel, documentTypeLabel, fileStatusLabel, matchKindLabel, periodLabel } from './labels';
+import {
+	counterpartyTypeLabel,
+	documentStatusLabel,
+	documentTypeLabel,
+	fileStatusLabel,
+	matchKindLabel,
+	periodLabel,
+	quarterLabel,
+} from './labels';
 
 describe('labels', () => {
 	it('тип документа', () => {
@@ -10,6 +18,10 @@ describe('labels', () => {
 		expect(documentTypeLabel('DISCLOSURE', null)).toBe('Расшифровка');
 		expect(documentTypeLabel('OTHER', null)).toBe('Прочее');
 	});
+	it('квартал', () => {
+		expect(quarterLabel('Q1')).toBe('1 квартал');
+		expect(quarterLabel('Q3')).toBe('3 квартал');
+	});
 	it('период', () => {
 		expect(periodLabel(2024, 'Q1', false)).toBe('2024 К1');
 		expect(periodLabel(2024, 'Q3', true)).toBe('2024 · 9 мес.');
diff --git a/src/utils/labels.ts b/src/utils/labels.ts
index 84655d9..da5e553 100644
--- a/src/utils/labels.ts
+++ b/src/utils/labels.ts
@@ -14,6 +14,8 @@ export function documentTypeLabel(type: DocumentType, account: string | null): s
 	return type === 'OSV' && account ? `ОСВ ${account}` : TYPE_LABELS[type];
 }
 
+export const quarterLabel = (q: Quarter): string => `${q.slice(1)} квартал`;
+
 export function periodLabel(year: number | null, quarter: Quarter | null, isCumulative: boolean | null): string {
 	if (year === null || quarter === null) {
 		return 'период не определён';
diff --git a/src/widgets/ConsoleTable/ConsoleTable.tsx b/src/widgets/ConsoleTable/ConsoleTable.tsx
index 3ce387b..336ba6f 100644
--- a/src/widgets/ConsoleTable/ConsoleTable.tsx
+++ b/src/widgets/ConsoleTable/ConsoleTable.tsx
@@ -2,11 +2,10 @@ import { ArrowRightOutlined, DownOutlined, MoreOutlined, RightOutlined } from '@
 import { Button, Dropdown, Space, message } from 'antd';
 import type { ColumnsType, TableProps } from 'antd/es/table';
 import { memo, useCallback, useMemo } from 'react';
-import { useNavigate, useParams } from 'react-router-dom';
+import { useNavigate, useParams, useSearchParams } from 'react-router-dom';
 import { ColumnSettings, DataTable, type TableConfig, isGroup, useFilteredRows, useVisibleColumns } from '../../components/GenericTable';
 import { useTableFilters } from '../../components/GenericTable/useTableFilters';
-import { setSelectedVersion } from '../../store/slices/consolidations/consolidationsSlice';
-import { useAppDispatch, useAppSelector } from '../../store/store';
+import { useAppSelector } from '../../store/store';
 import type { ConsRow } from '../../types/consolidations/consolidations';
 import { consConfigBase } from './config';
 import { flattenCons } from './flatten';
@@ -45,7 +44,7 @@ const RowActions = memo(function RowActions({
 export function ConsoleTableWidget() {
 	const navigate = useNavigate();
 	const { group_id } = useParams();
-	const dispatch = useAppDispatch();
+	const [, setSearchParams] = useSearchParams();
 	const consolidations = useAppSelector((s) => s.consolidations.consolidations);
 	const loading = useAppSelector((s) => s.consolidations.loading);
 
@@ -124,7 +123,7 @@ export function ConsoleTableWidget() {
 				render: (_: unknown, row: ConsRow) => (
 					<div style={{ display: 'flex' }}>
 						<Button type='default' onClick={() => navigate(`/groups/${group_id}/versions/${row.id}/osv`)}>
-							К отчетности <ArrowRightOutlined />
+							К отчётности <ArrowRightOutlined />
 						</Button>
 						<RowActions row={row} onAction={handleDropdownAction} />
 					</div>
@@ -135,7 +134,8 @@ export function ConsoleTableWidget() {
 	);
 
 	const onRow: TableProps<ConsRow>['onRow'] = (row) => ({
-		onClick: () => dispatch(setSelectedVersion(row.id)),
+		// выбранная версия живёт в URL (?version=): переживает уход на «К отчётности» и «Назад»
+		onClick: () => setSearchParams({ version: row.id }, { replace: true }),
 	});
 	return (
 		<div style={{ display: 'flex', flexDirection: 'column', height: '100%' }}>
diff --git a/src/widgets/DocumentReview/OsvDocument.tsx b/src/widgets/DocumentReview/OsvDocument.tsx
index 5fa3ab1..3d79b46 100644
--- a/src/widgets/DocumentReview/OsvDocument.tsx
+++ b/src/widgets/DocumentReview/OsvDocument.tsx
@@ -88,7 +88,7 @@ export function OsvDocument({ document, onChanged }: { document: DocumentOut; on
 					showIcon
 					closable
 					onClose={() => setProblem(null)}
-					message={problem.code ? `${problem.message} (${problem.code})` : problem.message}
+					message={<span title={problem.code}>{problem.message}</span>}
 					description={
 						problem.failures.length > 0 ? (
 							<ul style={{ margin: 0, paddingLeft: 18 }}>
diff --git a/src/widgets/Sidebar/Sidebar.tsx b/src/widgets/Sidebar/Sidebar.tsx
index 3a9b088..75fdef2 100644
--- a/src/widgets/Sidebar/Sidebar.tsx
+++ b/src/widgets/Sidebar/Sidebar.tsx
@@ -14,6 +14,7 @@ import { type ReactNode, memo, useState } from 'react';
 import { NavLink, useNavigate } from 'react-router-dom';
 import { USERS_ADMIN } from '../../auth/permissions';
 import { createConsolidation } from '../../services/api/consolidations';
+import { quarterLabel } from '../../utils/labels';
 import { NewConsolidationModal } from '../NewConsoleModal/NewConsoleModal';
 import styles from './styles.module.css';
 
@@ -216,7 +217,7 @@ export function Sidebar() {
 				onOk={async (values) => {
 					const card = await createConsolidation(values);
 					setModalOpen(false);
-					message.success(`Создана консолидация ${values.year} ${values.quarter}`);
+					message.success(`Создана консолидация ${values.year}, ${quarterLabel(values.quarter)}`);
 					navigate(`/groups/${values.company_group_id}?version=${card.id}`);
 				}}
 			/>