Showing first {{hits.length}} results of {{hits_total}} for {{searchQueryText}}{{hits.length}} results for {{searchQueryText}}

No Search Results

This error appears when you have included a package or class in the main body of your document, instead of in the preamble. The preamble to the document consists of everything written before \begin{document}. In the preamble you define the type of document you are writing, the language and several other elements. For instance, a normal document preamble would look like this: \documentclass[12pt, letterpaper]{article} \usepackage[utf8]{inputenc} \usepackage{amsmath} \title{First document} \author{Hubert Farnsworth \thanks{funded by the ShareLaTeX team}} \date{February 2014} If you write \usepackage{...} in the main body of the document (after \begin{document}) instead of in the preamble, you will generate the error message shown below. main.tex, line 7 LaTeX Error: Can be used only in preamble. See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ... l.4 \usepackage {amsmath} Your command was ignored. Type I to replace it with another command, or to continue without it. [1 To fix this error, make sure that all \usepackage{...} commands, as well as \documentclass[...]{...}, are written before \begin{document}. To learn more about how to structure a document in LaTeX, check out our documentation.