# Pastebin VBtIOWIw
Caused by: org.apache.solr.common.SolrException: jakarta.xml.bind.JAXBException: 
Exception Description: The property or field count on the class org.musicbrainz.mmd2.DiscList is required to be included in the propOrder element of the XmlType annotation.
 - with linked exception:
[Exception [EclipseLink-50013] (Eclipse Persistence Services - 4.0.2.v202306161219): org.eclipse.persistence.exceptions.JAXBException
Exception Description: The property or field count on the class org.musicbrainz.mmd2.DiscList is required to be included in the propOrder element of the XmlType annotation.]