- th:replace="~{templates/layout :: layout(uri='/potemkin/html-experimente/fast-leer-einspaltig-mit-marginalinhalt.html', contentclass='onecolumn', json='MERGE:/potemkin.json')}"
+ th:replace="~{/templates/layout.html :: layout(uri='/potemkin/html-experimente/fast-leer-einspaltig-mit-marginalinhalt.html', contentclass='onecolumn', json='MERGE:/potemkin.json')}"