> For the complete documentation index, see [llms.txt](https://overleaf-pro.ayaka.space/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://overleaf-pro.ayaka.space/latex/id/kesalahan-latex/30-there-were-undefined-references.md).

# Ada referensi yang belum didefinisikan

Kesalahan ini muncul ketika **`\ref{...}`** digunakan dan LaTeX tidak dapat menemukan label yang sesuai. Ada tiga cara hal ini dapat terjadi.

* Ada salah ketik pada **`\label{...}`**
* Ada salah ketik pada **`\ref{...}`**
* Ada label yang terlupa.

Sebuah contoh ditunjukkan di bawah

```latex
\section{introduction}\label{introduction}
Salah ketik saat merujuk pengantar akan menjadi \ref{intorduction}.

Kesalahan lain adalah merujuk label yang belum pernah didefinisikan seperti \ref{section1}
```

Masing-masing akan menghasilkan kesalahan yang terlihat seperti

main.tex, baris 6

Referensi \`intorduction' pada halaman 1 tidak didefinisikan pada baris masukan 6.

main.tex, baris 6

Referensi \`section1' pada halaman 1 tidak didefinisikan pada baris masukan 8.

main.tex, baris 6

Ada referensi yang tidak didefinisikan.

Untuk menghindarinya, kita harus selalu memastikan bahwa ketika kita menggunakan **`\ref{...}`**, bahwa ada **`\label{...}`**, dan bahwa argumen dari **`\ref{...}`** dan **`\label{...}`** sama.


---

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