Apologies, I had not put that running dspace index-discovery -f, I always get the following error:
ERROR org.dspace.discovery.SolrServiceImpl @ No choices plugin was configured for field "dc_contributor_author".
java.lang.IllegalArgumentException: No choices plugin was configured for field "dc_contributor_author".
at org.dspace.content.authority.ChoiceAuthorityManager.getLabel(ChoiceAuthorityManager.java:243)
at org.dspace.content.authority.ChoiceAuthorityManager.getLabel(ChoiceAuthorityManager.java:231)
at org.dspace.browse.SolrBrowseCreateDAO.additionalIndex(SolrBrowseCreateDAO.java:219)
at org.dspace.discovery.SolrServiceImpl.buildDocument(SolrServiceImpl.java:1393)
at org.dspace.discovery.SolrServiceImpl.indexContent(SolrServiceImpl.java:215)
at org.dspace.discovery.SolrServiceImpl.updateIndex(SolrServiceImpl.java:387)
at org.dspace.discovery.IndexClient.main(IndexClient.java:127)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.dspace.app.launcher.ScriptLauncher.runOneCommand(ScriptLauncher.java:225)
at org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:77)