diff --git a/src-modules/module/rpta/schluesseltabellen/fm_templates.unl b/src-modules/module/rpta/schluesseltabellen/fm_templates.unl
index 0f17ee2..cc279f9 100644
--- a/src-modules/module/rpta/schluesseltabellen/fm_templates.unl
+++ b/src-modules/module/rpta/schluesseltabellen/fm_templates.unl
@@ -372,7 +372,7 @@ drop TABLE tmp_rpta_column2layout;\
 		</#foreach>\
 		null::integer as sortnr\
 		into temp tmp_stud3\
-		from tmp_stud2\
+		from tmp_stud\
 		where 1=0;\
 		--maxEbene ermitteln:\
 		<#assign maxEbene=0 />\
@@ -416,12 +416,12 @@ drop TABLE tmp_rpta_column2layout;\
 					&& (column.coltype == "logicalColumn" || column.coltype == "lookupColumn" || column.coltype == "physicalColumn")> \
 					sum(${column.targetfieldname}) as ${column.targetfieldname},\
 				<#else>\
-				 	null::char(1),\
+				 	null,\
 				 </#if>\
 			</#foreach>\
 			 --(${einElement.level}*10000) + ${sortnr} as sortnr\
 			  ${sortnr} *10000 as sortnr\
-			from tmp_stud2\
+			from tmp_stud\
 			where ${treeColumnSrcFieldname} in ${einElement.subkeys}\
 			\
 			;\
@@ -459,7 +459,7 @@ drop TABLE tmp_rpta_column2layout;\
 				 </#if>\
 			</#foreach>\
 			 ${sortnr} *10000 --(${einElement.level}*10000) + ${sortnr} as sortnr\
-			from tmp_stud2\
+			from tmp_stud\
 			where s_tid_stg in ${einElement.subkeys}\
 			group by ${columnLayoutWithTreeColumnAdditionalGrouping}\
 			;\