Getting following error on review:

2020-03-27 18:15:09,305 ERROR agnolia.ui.framework.app.AppInstanceControllerImpl: Sub-app comparison failed to start: Expected valid item key but got '8524e895-4fb1-4cb8-a893-44d767eedfd0:categoryDocuments/0/title:MULTI_LOCALE'
java.lang.IllegalArgumentException: Expected valid item key but got '8524e895-4fb1-4cb8-a893-44d767eedfd0:categoryDocuments/0/title:MULTI_LOCALE'
at info.magnolia.translation.ext.core.app.comparison.item.ComparisonPropertysetItem.<init>(ComparisonPropertysetItem.java:48) ~[magnolia-content-translation-support-ext-core-2.9.1-SNAPSHOT.jar:?]
at info.magnolia.translation.ext.core.app.comparison.container.ComparisonContainer.lambda$loadAll$0(ComparisonContainer.java:87) ~[magnolia-content-translation-support-ext-core-2.9.1-SNAPSHOT.jar:?]
at java.util.ArrayList.forEach(ArrayList.java:1540) ~[?:?]
at info.magnolia.translation.ext.core.app.comparison.container.ComparisonContainer.loadAll(ComparisonContainer.java:86) ~[magnolia-content-translation-support-ext-core-2.9.1-SNAPSHOT.jar:?]
at info.magnolia.translation.ext.core.app.comparison.container.ComparisonContainer.getItemIds(ComparisonContainer.java:107) ~[magnolia-content-translation-support-ext-core-2.9.1-SNAPSHOT.jar:?]
at com.vaadin.v7.data.util.ContainerOrderedWrapper.updateOrderWrapper(ContainerOrderedWrapper.java:216) ~[vaadin-compatibility-server-8.4.2.jar:8.4.2]
at com.vaadin.v7.data.util.ContainerOrderedWrapper.<init>(ContainerOrderedWrapper.java:114) ~[vaadin-compatibility-server-8.4.2.jar:8.4.2]
at com.vaadin.v7.ui.Table.setContainerDataSource(Table.java:2758) ~[vaadin-compatibility-server-8.4.2.jar:8.4.2]
at com.vaadin.v7.ui.Table.setContainerDataSource(Table.java:2701) ~[vaadin-compatibility-server-8.4.2.jar:8.4.2]
at com.vaadin.v7.ui.Table.<init>(Table.java:652) ~[vaadin-compatibility-server-8.4.2.jar:8.4.2]
at info.magnolia.ui.vaadin.grid.MagnoliaTable.<init>(MagnoliaTable.java:52) ~[magnolia-ui-vaadin-common-widgets-5.7.6.jar:5.7.6]
at info.magnolia.ui.workbench.list.ListViewImpl.createTable(ListViewImpl.java:201) ~[magnolia-ui-workbench-5.7.6.jar:?]