I have tested the new Liferay 2026.q1 and I have a lot of errors.
It seems linked to site propagation :
2026-03-25 16:50:37.594 ERROR [liferay/background_task-7][BatchEngineImportTaskExecutorImpl:541] null
java.lang.UnsupportedOperationException: null
at com.liferay.headless.admin.site.internal.resource.v1_0.util.PageExperienceUtil.validatePageExperiences(PageExperienceUtil.java:77) ~[?:?]
at com.liferay.headless.admin.site.internal.resource.v1_0.util.LayoutUtil._updatePageExperiences(LayoutUtil.java:1145) ~[?:?]
at com.liferay.headless.admin.site.internal.resource.v1_0.util.LayoutUtil.updateLayout(LayoutUtil.java:515) ~[?:?]
at com.liferay.headless.admin.site.internal.resource.v1_0.util.LayoutUtil.updateContentLayout(LayoutUtil.java:484) ~[?:?]
at com.liferay.headless.admin.site.internal.resource.v1_0.SitePageResourceImpl._updateLayout(SitePageResourceImpl.java:1050) ~[?:?]
at com.liferay.headless.admin.site.internal.resource.v1_0.SitePageResourceImpl.doPutSiteSitePage(SitePageResourceImpl.java:429) ~[?:?]
at com.liferay.headless.admin.site.internal.resource.v1_0.BaseSitePageResourceImpl.putSiteSitePage(BaseSitePageResourceImpl.java:879) ~[?:?]
at com.liferay.headless.admin.site.internal.resource.v1_0.BaseSitePageResourceImpl.lambda$create$9(BaseSitePageResourceImpl.java:1040) ~[?:?]
at com.liferay.batch.engine.internal.BatchEngin
eImportTaskExecutorImpl.lambda$_getImportItemCallable$3(BatchEngineImportTaskExecutorImpl.java:351) ~[?:?]
Anyone have this error ?
PageExperienceUtil.validatePageExperiences() ?
We do not use experiences in our site.
How can I deactivate/disable this ?