Board Thread:Support Requests - Getting Technical/@comment-40024430-20190815130449/@comment-27958705-20190815230853

this is incorrect, too. you don't need module:string to use string library in the lua module: scribunto (enabled by default) loads all the libraries. but you do need some module (not necessary the string one, you can write your own one, with wrappers and error handling) to use string library functions in the wikitext, because the only way to use lua output in the wikitext is scribunto extension (#invoke).