Example.

Desired title effect: Literature review & Research set-up

Title written in Latex: \section{Literature Review & Research Set-up}

After running, it reports an error: Misplaced alignment tab character &

Reason.

This error appears when the alignment character ‘&’ is used incorrectly. The alignment character&is used to align elements in specific environments, such asmatrix,align,tableetc.

When you want to use an ampersand&as a text character in your writing, such as in a title, you must write it as\&.

If you fail to do this, you will get an error as shown below：! Misplaced alignment tab character &.