> 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/latex-errors/20-latex-error-unknown-float-option-q.md).

# LaTeX Error: Unknown float option \`q'

This error appears when a float option is used which LaTeX does not recognise. The float specifier is written in the square brackets whenever you use a *float* such as a figure or a table i.e. the **`h`** in **`\begin{figure}[h]`**. The only valid float specifiers you are able to use are **`h`**, **`t`**, **`b`** and **`p`**, with the addition of **`H`** if you include **`\usepackage{float}`** in our preamble. If you write a float specifier which LaTeX does not recognize in the square brackets, it will generate an error such as the one below.

main.tex, line 5

LaTeX Error: Unknown float option \`q'.

See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ... l.5 \begin{figure}\[q] Option \`q' ignored and \`p' used.

To read more about how to use options to specify float positions, check out our [documentation](/latex/figures-and-tables/02-positioning-images-and-tables.md).


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