diff --git a/src-modules/module/costage/conf/costage.xml b/src-modules/module/costage/conf/costage.xml
index 02e22bb..9ac3a1d 100644
--- a/src-modules/module/costage/conf/costage.xml
+++ b/src-modules/module/costage/conf/costage.xml
@@ -1168,8 +1168,8 @@ rightname="CS_BIA_STANDARDREPORTS_ADMIN[CO]" />
 <column name="leistungstyp_nr" type ="INTEGER" size ="4" default ="" notnull ="true" />
 <column name="leistungsdetailtyp_kb" type ="VARCHAR" size ="10" default ="" notnull ="false" />
 <column name="matrikelnummer" type ="INTEGER" size ="12" default ="" notnull ="false" />
-<column name="vorname" type ="VARCHAR" size ="255" default ="" notnull ="true" />
-<column name="nachname" type ="VARCHAR" size ="255" default ="" notnull ="true" />
+<column name="vorname" type ="VARCHAR" size ="255" default ="" notnull ="false" />
+<column name="nachname" type ="VARCHAR" size ="255" default ="" notnull ="false" />
 <column name="st_studium_nr" type ="INTEGER" size ="4" default ="" notnull ="true" />
 <column name="studienidentifikator" type ="VARCHAR" size ="4000" default ="" notnull ="false" />
 <column name="spov_abschluss" type ="VARCHAR" size ="10" default ="" notnull ="false" />
diff --git a/src-modules/module/costage/rohdaten/costage_unload.xml b/src-modules/module/costage/rohdaten/costage_unload.xml
index 6b23b59..2b61723 100644
--- a/src-modules/module/costage/rohdaten/costage_unload.xml
+++ b/src-modules/module/costage/rohdaten/costage_unload.xml
@@ -676,8 +676,8 @@ SELECT leistung_nr,
        leistungstyp_nr,
        leistungsdetailtyp_kb,
        matrikelnummer,
-       vorname,
-       nachname,
+       '' as vorname,
+       '' as nachname,
        st_studium_nr,
        studienidentifikator,
        spov_abschluss,
diff --git a/src-modules/module/costage/rohdaten_zul/zul_costage_unload.xml b/src-modules/module/costage/rohdaten_zul/zul_costage_unload.xml
index a5a224c..41bdff2 100644
--- a/src-modules/module/costage/rohdaten_zul/zul_costage_unload.xml
+++ b/src-modules/module/costage/rohdaten_zul/zul_costage_unload.xml
@@ -54,7 +54,7 @@ null,--bew_efh,
        null,--bew_gebort,
        date(S.geburtsdatum) as bew_gebdat,
        S.geschlecht as geschl,
-       L.kurzbezeichnung  as staat,
+       L.statistik_code  as staat,
        null,--pozusatz,
        null,--postrasse,
        null,--poplz,
diff --git a/src-modules/module/costage/upgrade/costage_upgrade_man.sql b/src-modules/module/costage/upgrade/costage_upgrade_man.sql
index 3364dcd..d5d80ae 100644
--- a/src-modules/module/costage/upgrade/costage_upgrade_man.sql
+++ b/src-modules/module/costage/upgrade/costage_upgrade_man.sql
@@ -36,6 +36,10 @@ ALTER TABLE costage_st_pruef_aggr
 ALTER COLUMN leistung_nr drop not null;
 
 alter table costage_ergebnisse alter column zahl type float;
+ALTER TABLE costage_leistungen
+ALTER COLUMN vorname drop not null;
+ALTER TABLE costage_leistungen
+ALTER COLUMN nachname drop not null;
 
 </#if>