diff --git a/source/net/yacy/search/index/ErrorCache.java b/source/net/yacy/search/index/ErrorCache.java
index 005ca3e45..0f600e08b 100644
--- a/source/net/yacy/search/index/ErrorCache.java
+++ b/source/net/yacy/search/index/ErrorCache.java
@@ -42,7 +42,6 @@ import net.yacy.cora.federate.solr.connector.AbstractSolrConnector;
 import net.yacy.cora.util.ConcurrentLog;
 import net.yacy.crawler.data.CrawlProfile;
 import net.yacy.crawler.robots.RobotsTxt;
-import net.yacy.search.index.Fulltext;
 import net.yacy.search.schema.CollectionConfiguration;
 import net.yacy.search.schema.CollectionSchema;
 
@@ -67,7 +66,7 @@ public class ErrorCache {
                 params.setStart(0);
                 params.setRows(1000);
                 params.setFacet(false);
-                params.setSort(new SortClause(CollectionSchema.last_modified.getSolrFieldName(), SolrQuery.ORDER.desc));
+                params.setSort(new SortClause(CollectionSchema.load_date_dt.getSolrFieldName(), SolrQuery.ORDER.desc)); // load_date_dt = faildate
                 params.setFields(CollectionSchema.id.getSolrFieldName());
                 params.setQuery(CollectionSchema.failreason_s.getSolrFieldName() + AbstractSolrConnector.CATCHALL_DTERM);
                 params.set(CommonParams.DF, CollectionSchema.id.getSolrFieldName()); // DisMaxParams.QF or CommonParams.DF must be given
diff --git a/source/net/yacy/search/schema/CollectionSchema.java b/source/net/yacy/search/schema/CollectionSchema.java
index a4c66cbaf..edb28cc59 100644
--- a/source/net/yacy/search/schema/CollectionSchema.java
+++ b/source/net/yacy/search/schema/CollectionSchema.java
@@ -34,7 +34,7 @@ public enum CollectionSchema implements SchemaDeclaration {
     id(SolrType.string, true, true, false, false, false, "primary key of document, the URL hash **mandatory field**"),
     sku(SolrType.string, true, true, false, true, true, "url of document"), // a 'sku' is a stock-keeping unit, a unique identifier and a default field in unmodified solr.
     //sku(SolrType.text_en_splitting_tight, true, true, false, true, true, "url of document"), // a 'sku' is a stock-keeping unit, a unique identifier and a default field in unmodified solr.
-    last_modified(SolrType.date, true, true, false, false, false, "last-modified from http header"),
+    last_modified(SolrType.date, true, true, false, false, false, "last-modified from http header"), // date document was last modified
     dates_in_content_dts(SolrType.date, true, true, true, false, true, "if date expressions can be found in the content, these dates are listed here as date objects in order of the appearances"),
     dates_in_content_count_i(SolrType.num_integer, true, true, false, false, false, "the number of entries in dates_in_content_sxt"),
     startDates_dts(SolrType.date, true, true, true, false, true, "content of itemprop attributes with content='startDate'"),