# Bug OP-20505 - Processing of Uploaded IFC files fails

Project: OpenProject
Status: confirmed
URL: https://community.openproject.org/work_packages/OP-20505

## Open points

_No work packages_

## Details

| Attribute | Value |
| --- | --- |
| Date |  |
| Priority | High |
| Module | Modules and project features / BIM / IFC Viewer |
| Target versions |  |
| Observed in versions | 17.9.2 |
| Sprint |  |
| Backlog bucket |  |
| Bug found in version (deprecated) |  |
| Found in mobile app version |  |
| Follow-up feedback e-mail |  |
| Requires doc change | No |
| Accessibility | No |
| Pull preview |  |
| List |  |
| Labels |  |

## People

| Attribute | Value |
| --- | --- |
| Assignee | Arthur Bonic |
| 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.  Setup OpenProject bim with S3 storage

2.  Upload a IFC model
    
    <br>

### What is the buggy behavior?

  - The Processing of the IFC model fails

  - You get the following error:

<!-- end list -->

``` log
worker-1  | E, [2026-10-19T10:43:09.555057 #7] ERROR -- : [ActiveJob] [Bim::IfcModels::IfcConversionJob] [4b925fd4-55df-4dd9-92c5-8dbc8d094ae1] user=1 Failed to convert IFC to XKT
worker-1  | E, [2026-10-19T10:43:09.583404 #7] ERROR -- : [ActiveJob] [Bim::IfcModels::IfcConversionJob] [4b925fd4-55df-4dd9-92c5-8dbc8d094ae1] Failed to convert IFC model #<Bim::IfcModels::IfcModel conversion_status: "error", title: "minimal", id: 10, created_at: "2026-10-19 10:43:09.119195000 +0000", updated_at: "2026-10-19 10:43:09.555835537 +0000", project_id: 4, uploader_id: 4, is_default: false, conversion_error_message: "undefined method 'to_file' for an instance of Carr...">: undefined method 'to_file' for an instance of CarrierWave::Storage::Fog::File
```

### What is the expected behavior?

1.  The Upload should work