#%env/templates/metas.template%#
If you use a custom Solr schema you may enter a different field name in the column 'Custom Solr Field Name' of the YaCy default attribute name
If you unselected some fields, old documents in the index still contain the unselected fields. To physically remove them from the index you need to reindex the documents. Here you can reindex all documents with inactive fields.
You may monitor progress (or stop the job) under IndexReIndexMonitor_p.html