Uncaught Error: Disallowed method "getElementById" on ShadowRoot. throws at https://help.audible.co.uk/s/sfsites/auraFW/javascript/WUdfaXlIZDNDQ0lZLWNFZDMtVGZ3d2tVMjdnTGFERUU2S3FfSVdrcU92bkExNC4xOTIuODM4ODYwOA/aura_prod.js:46:852