> For the complete documentation index, see [llms.txt](https://docs.oserosuite.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.oserosuite.com/technical-notes/unreal-engine-notes/compile-errors/specified-type-modifiers-are-not-allowed-here.md).

# Specified Type Modifiers Are Not Allowed Here

### Error <a href="#error" id="error"></a>

<figure><img src="https://831795444-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDaZWGO8xkqnm1mVNUQP7%2Fuploads%2F2KaoOJdl9aQ8ZvnP2f2K%2FErrorTypeModifiers1.png?alt=media&amp;token=c17889fc-284f-4514-8b75-30c1f2030f4c" alt=""><figcaption></figcaption></figure>

<figure><img src="https://831795444-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDaZWGO8xkqnm1mVNUQP7%2Fuploads%2FUFtOWF4fWPhE9rNUTtLq%2FErrorTypeModifiers2.png?alt=media&amp;token=36a6ace6-23de-416b-b70c-2fd3ba7bd3af" alt=""><figcaption></figcaption></figure>

### Solution <a href="#solution" id="solution"></a>

**BlueprintCallable** UFUNCTIONS are not allowed in an #if WITH\_EDITORONLY\_DATA block.

(**BlueprintPure** is allowed though.)