diff --git a/lib/Implementation_Workflow96_JIT.pck b/lib/Implementation_Workflow96_JIT.pck
index 627e0fd..443022b 100644
--- a/lib/Implementation_Workflow96_JIT.pck
+++ b/lib/Implementation_Workflow96_JIT.pck
@@ -2195,11 +2195,13 @@ begin
       elsif x_spalte = x_spalte_posnr then
         if xx_werte.wert is null then
           sivas_utl_file.fclose(x_file);
-          return true;
+          o_meldung := 'Keine Positionsnummer gegeben.';
+          return false;
         end if;  
         if not regexp_like(xx_werte.wert, '^[[:digit:]]+$') then
           sivas_utl_file.fclose(x_file);
-          return true;
+          o_meldung := 'Ungueltige Positionsnummer: ' || xx_werte.wert || '.';
+          return false;
         end if;
         xx_comp.posnr := to_number(xx_werte.wert) * 10;