LaTeX.org

\documentclass[11pt,a4paper]{book}
\usepackage{pgfkeys}
\usepackage{xstring}
\newcommand{\setIPA}[1]{\pgfkeyssetvalue{/IPA}{#1}}
\newcommand{\getIPA}{\pgfkeysvalueof{/IPA}}

\newcommand{\ScriptIPA}[1]{
\StrSubstitute{#1}{a}{A}
\setIPA{#1}
\setIPA{\StrSubstitute{\getIPA}{a}{A}}
\setIPA ...

oh my god, seriously? Why would the order matter? and yes it did work.

I am trying on a project of mine and I use different packages, gb4e and xstring seem to really dislike each other because I get the exceed message when they are used togather, I have other packages I use but this is from a test document I made and it still fails. I have the same issue with color ...

Hello,

I'm fairly new to LaTeX but I am learning it quickly. I'm attempting to use the gb4e package for a linguistic work I'm doing but whenever I try to even build with it included, not even using it, I get an error message saying this.
TeX capacity exceeded, sorry [parameter stack size=10000 ...