Caused by: org.apache.fop.fo.ValidationException: Property ID "theEnd" (found on "fo:block") previously used; ID values must be unique within a document! (See fo:block, id=theEnd)
at org.apache.fop.events.ValidationExceptionFactory#createException:38
at org.apache.fop.events.EventExceptionManager#throwException:58
at org.apache.fop.events.DefaultEventBroadcaster$1#invoke:173
at jdk.proxy7/jdk.proxy7.$Proxy398#idNotUnique (Unknown Source)
at org.apache.fop.fo.FObj#checkId:240
at org.apache.fop.fo.FObj#startOfNode:188
at org.apache.fop.fo.flow.Block#startOfNode:145
at org.apache.fop.fo.FOTreeBuilder$MainFOHandler#startElement:367
at org.apache.fop.fo.FOTreeBuilder$2#run:185
at org.apache.fop.fo.FOTreeBuilder$2#run:182
at java.base/java.security.AccessController#doPrivileged:318
at org.apache.fop.fo.FOTreeBuilder#startElement:181
at org.apache.cocoon.xml.AbstractXMLPipe#startElement:95
at org.apache.cocoon.xml.AbstractXMLPipe#startElement:95
at org.apache.cocoon.transformation.I18nTransformer#startElement:1185
at org.apache.xml.serializer.ToXMLSAXHandler#closeStartTag:206
at org.apache.xml.serializer.ToSAXHandler#flushPending:279
at org.apache.xml.serializer.ToXMLSAXHandler#endElement:245
at org.apache.xalan.templates.ElemLiteralResult#execute:1401
at org.apache.xalan.transformer.TransformerImpl#executeChildTemplates:2