I have found these error in catalina.out
[2023-08-24 15:50:31] [info] 2023-08-24 15:50:31,776 [http-nio-8080-exec-5 - https://wiki.issured.com/xwiki/bin/view/WikiManager/] ERROR .x.i.t.InternalTemplateManager - Error while executing template [replication/conflict.vm]
[2023-08-24 15:50:31] [info] Caused by: org.xwiki.rendering.RenderingException: Failed to evaluate template with id [jar:file:/var/lib/xwiki/data/extension/repository/org%252Exwiki%252Econtrib%252Ereplication%253Areplication-entity-default/1%252E12%252E3/org%252Exwiki%252Econtrib%252Ereplication%253Areplication-entity-default-1%252E12%252E3.jar!/templates/replication/conflict.vm]
[2023-08-24 15:50:31] [info] Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'getConflict' in class org.xwiki.contrib.replication.entity.script.DocumentReplicationScriptService threw exception org.xwiki.contrib.replication.ReplicationException: Failed to execute the select at /skins/flamingo/view.vm[line 23, column 37]
[2023-08-24 15:50:31] [info] Caused by: java.lang.IllegalArgumentException: org.hibernate.hql.internal.ast.QuerySyntaxException: HibernateReplicationDocument is not mapped [SELECT conflict FROM HibernateReplicationDocument where docId = :docId]
There are plenty more, but these look, to my untrained eye, the most obvious.
Cheers
jamie