> For the complete documentation index, see [llms.txt](https://docs.theconfigteam.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.theconfigteam.com/prebilt-for-im-wm-strm/installation-guide/adjust-namespace-settings.md).

# Adjust namespace settings

{% hint style="info" %}
**Note**

This step is only applicable in the development environment so does not need to be completed in any other systems in the landscape. 
{% endhint %}

Enter transaction *SE03* and navigate to ‘Set System Change Option’.

<figure><img src="https://3149936122-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2CkvzIq48sLzTY4bfcWl%2Fuploads%2FVZFX0OAiZ8rBtYWr5Kte%2Fimage.png?alt=media&amp;token=c49c4f8b-fb31-47ad-b444-6c5230c54352" alt=""><figcaption></figcaption></figure>

Double click on ‘Set System Change Option’ and find entry /TCTM/.

Change the modifiable drop down to ‘X Modifiable’.

<figure><img src="https://3149936122-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F2CkvzIq48sLzTY4bfcWl%2Fuploads%2FjUix0D1K7nzrDmFMXtMY%2Fimage.png?alt=media&amp;token=18095f91-5385-49a0-b097-db9aeab7fc93" alt=""><figcaption></figcaption></figure>

Change the modifiable flag for /TCTM/ to ‘Modifiable’ from ‘Not Modifiable’ and then press ‘Save’ and exit.