# Bug OP-17191 - Add new workpackage in Backlog module not possible on Firefox

Project: OpenProject
Status: closed
URL: https://community.openproject.org/work_packages/OP-17191

## Open points

_No work packages_

## Details

| Attribute | Value |
| --- | --- |
| Date |  |
| Priority | Medium |
| Module | Modules and project features / Backlogs |
| Target versions | 16.6.0 |
| Observed in versions | 15.5.0 |
| Sprint | 16.6.0 |
| Backlog bucket |  |
| Bug found in version (deprecated) | 15.5.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 | Christophe Bliard |
| Designer |  |
| Ordered by |  |
| Signed off by |  |
| Interest by |  |

## Planning

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

## Costs

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

## Description

### Steps to reproduce

1.  Login as a user with permissions to manage work package in Backlog module
    
2.  Go to Backlog module and navigate to drowdown menu in an existing version
    
3.  Click on "Add Task"
    
4.  A new line is shwon
    
5.  Fill in workpackage type and description
    
6.  Press Enter button
    

### What is the buggy behavior?

*   Press Enter to add a new workpackage does not work
    

### What is the expected behavior?

1.  On press Enter button the application should create a new workpackage in the selected version
    

###   

### **Logs**

In browser console: `Uncaught TypeError: RB.urlFor is not a function`

### Screenshots and other files

<img class="op-uc-image op-uc-image_inline" src="/api/v3/attachments/798389/content">

### Environment information

**OpenProject installation type**

*   Packaged installation: Ubuntu 23.02 LTS
    

**OpenProject version**

_v15.5.1_

**Browser**

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

**Operating System**

*   [x] Windows
*   [ ] Mac OS X
*   [ ] Mobile iOS
*   [ ] Mobile Android
*   [ ] Linux (please specify distro)
*   [ ] Chrome OS
*   [ ] Other (please specify)

**Language**

_German_