> For the complete documentation index, see [llms.txt](https://docs.sannybuilder.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sannybuilder.com/troubleshooting/errors/0042.md).

# 0042: Duplicate external script name

The same name has been used for multiple external scripts. Each script name must be unique.

**Possible solutions:** use a unique name for each external script:

```
DEFINE SCRIPT RACE AT @LABEL
DEFINE SCRIPT RACE AT @LABEL2 // error, RACE has already been used
DEFINE SCRIPT RACE2 at @LABEL2 // OK
```