> For the complete documentation index, see [llms.txt](https://docs.bimcat.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bimcat.org/user-manual/usage/help/report-a-bug.md).

# Report a Bug

Upon encountering a bug, error or crash you could file a bug report to the C-Change Labs Support Team. To do this, go to **Help > Report a Bug** command in the bimCAT ribbon.

<div align="left"><figure><img src="/files/5O5exYZ0wNz4QkyOR3NM" alt=""><figcaption></figcaption></figure></div>

In the Bug Report window, click the **Generate logs** button and choose the resulting zip-file location.

<div align="left"><figure><img src="/files/Qi82Fc0P2mDhIa96Lfzf" alt=""><figcaption></figcaption></figure></div>

<figure><img src="/files/bZeFxLJiAGK0Mr9miZgL" alt=""><figcaption></figcaption></figure>

After the logs are generated, Windows Explorer will open automatically highlighting the created zip-file.

<figure><img src="/files/Im8yNLseHKhQBw928fma" alt=""><figcaption></figcaption></figure>

Now you could click the URL in the **Report a Bug** dialog which will create an email in your default email client. Then you could describe your issue in the email, manually attach the logs zip-file you just created and send it to the C-Change Labs Support Team (<autodesk_support@c-change-labs.com>).

<div align="left"><figure><img src="/files/i2D1HoIpVRKdFilMmgys" alt=""><figcaption></figcaption></figure></div>

<figure><img src="/files/xx9xaFIy7RzOPMV65mMM" alt=""><figcaption></figcaption></figure>

![](/files/NJwug8UfcgrQw89hTLOa)

<figure><img src="/files/EeLclpCwJQS8Q92YToQK" alt=""><figcaption></figcaption></figure>

The following kinds of data are included in the logs:

* **BIM Climate Action Tool (bimCAT) logs**: the plugin and Revit information, errors, etc.;
* **BIM Climate Action Tool (bimCAT) export data**: the raw data acquired from a Revit project during an export - mainly, names and quantities or Revit elements and materials;
* **BIM Climate Action Tool (bimCAT) Library Indexer logs**: the Library Indexer information, errors, etc.
* **Revit journal files**.

Apart from the **Report a bug** tool, you could find the BIM Climate Action Tool (bimCAT) logs in the following locations:

* For **Revit 2025** version:\
  **C:\Users\\\[UserName]\AppData\Local\C-Change Labs Inc\bimCAT\2025\Logs**
* For **Revit 2024** version:\
  **C:\Users\\\[UserName]\AppData\Local\C-Change Labs Inc\bimCAT\2024\Logs**
* For **Revit 2023** version:\
  **C:\Users\\\[UserName]\AppData\Local\C-Change Labs Inc\bimCAT\2023\Logs**
* For **Revit 2022** version:\
  **C:\Users\\\[UserName]\AppData\Local\C-Change Labs Inc\bimCAT\2022\Logs**
* For **Revit 2021** version:\
  **C:\Users\\\[UserName]\AppData\Local\C-Change Labs Inc\bimCAT\2021\Logs**