> 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/0040.md).

# 0040: Constant name or value not found

The constant is not given a name or a value at the [declaration](/language/data-types/constants.md).

**Possible solutions:** check the constant declaration syntax and provide both the name and the value:

```
CONST
  Pi = 3.14
END
```