# Bug OP-10978 - Timeline shows bar at wrong time after collapsing a group

Project: OpenProject
Status: closed
URL: https://community.openproject.org/work_packages/OP-10978

## Open points

_No work packages_

## Details

| Attribute | Value |
| --- | --- |
| Date |  |
| Priority | Medium |
| Module |  |
| Target versions | 12.2.1 |
| Observed in versions | 12.2.0 |
| Sprint | 12.2.1 |
| Backlog bucket |  |
| Bug found in version (deprecated) | 12.2.x |
| Found in mobile app version |  |
| Follow-up feedback e-mail |  |
| Requires doc change | No |
| Accessibility | No |
| Pull preview |  |
| List |  |
| Labels |  |

## People

| Attribute | Value |
| --- | --- |
| Assignee |  |
| Accountable |  |
| Product manager |  |
| Developers |  |
| Designer |  |
| Ordered by |  |
| Signed off by |  |
| Interest by |  |

## Planning

| Attribute | Value |
| --- | --- |
| Relevance |  |

## Costs

| Attribute | Value |
| --- | --- |
| Votes |  |
| Work |  |
| Labor costs |  |

## Description

### Steps to reproduce

1.  Have a WP A with dates 01/01/2015 - 05/01/2015
2.  Have a WP B with dates 01/01/2020 - 05/01/2020
3.  Assign A to a user, and B to another user
4.  Go to the table view, and group via assignee
5.  Open the Gantt chart
6.  Collapse the group of WP A

### What is the buggy behavior?

*   WP B is suddenly shown in 2015

<figure class="image op-uc-figure" style="width:474px;"><div class="op-uc-figure--content"><img class="op-uc-image" src="/api/v3/attachments/37433/content"></div></figure>

###   

### What is the expected behavior?

*   The Gantt chart should show the bar correctly in 2020

### Environment information

**OpenProject version**

12.2

**Browser**

*   [x] Chrome
*   [ ] Firefox
*   [ ] Safari
*   [ ] Mobile Safari
*   [ ] Other (please specify)

**Language**

German