diff --git a/copri4/main/src/Mod/DBtank.pm b/copri4/main/src/Mod/DBtank.pm
index db643d4..4f3e870 100755
--- a/copri4/main/src/Mod/DBtank.pm
+++ b/copri4/main/src/Mod/DBtank.pm
@@ -1369,7 +1369,7 @@ sub insert_pos(){
  if($ct->{template_id} && $ct->{template_id} == 205){#Leihrad_list
    $sth = $dbh->prepare("INSERT INTO contenttranspos (ct_id,cc_id,ca_id,ct_name,barcode,txt01,txt08,txt02,txt09,txt12,itime,start_time,end_time,int02,int03,int06,int04,txt05,txt06,txt07,int10,int12,int13,owner,int07,txt04,int09,int17,int15,int16,int11,int18,int19,txt17,txt18,int20,int25,int34,txt22,txt10,int35,int36,int37,time01,time02) VALUES ('$ctt_id','$ct->{c_id}','$ctadr->{c_id}','$ct_name','$ct->{barcode}','$ct->{txt01}','$user_name','$ct->{txt02}','$ctadr->{txt09}','$prefix',now(),now(),'$endRental','$unit_price','$menge','$station','$station','$ct->{txt06}','$ct->{txt06}','$ct->{txt07}','$status','$from_main_id','$deviceId','$owner','$rabatt','$tariff_desc','$tariff_nr','$daymax_price','$abo_price','$free_hours','$ct->{int11}','$sharing_type','$bike_charge','$ct->{txt17}','$ct->{txt18}','$ct->{int20}','$trackon','$staff','$sig_book->{bikeId}','$sig_book->{reservationId}','$unit_price1','$unit_price2','$start_price','$unit_time','$free_time') RETURNING c_id");
  }else{
-   $sth = $dbh->prepare("INSERT INTO contenttranspos (ct_id,cc_id,ca_id,ct_name,barcode,txt08,txt09,itime,int02,int03,txt01,txt06,txt07,int10,int12,owner) VALUES ('$ctt_id','$ct->{c_id}','$ctadr->{c_id}','$ct_name','0','$user_name','$ctadr->{txt09}',now(),'$unit_price1','1','$ct->{txt01}','$ct->{txt06}','$ct->{txt07}','0','$from_main_id','$owner') RETURNING c_id");
+   $sth = $dbh->prepare("INSERT INTO contenttranspos (ct_id,cc_id,ca_id,ct_name,barcode,txt08,txt09,itime,int02,int03,txt01,txt06,txt07,int10,int12,owner) VALUES ('$ctt_id','$ct->{c_id}','$ctadr->{c_id}','$ct_name','0','$user_name','$ctadr->{txt09}',now(),'$unit_price','1','$ct->{txt01}','$ct->{txt06}','$ct->{txt07}','0','$from_main_id','$owner') RETURNING c_id");
  }
   my $rows = $sth->execute();
   my $last_id;
diff --git a/copri4/main/src/Mod/Pricing.pm b/copri4/main/src/Mod/Pricing.pm
index a218160..aa9fdbb 100755
--- a/copri4/main/src/Mod/Pricing.pm
+++ b/copri4/main/src/Mod/Pricing.pm
@@ -562,7 +562,7 @@ sub price2calc {
  my $ctpos = shift;
 
  my $total = 0;
- my $discount = 0;
+ my $discount = "";
  my $einzel = $ctpos->{int02} || 0;
  my $menge = $ctpos->{int03} || 0;
  my $discount_val = $ctpos->{int07} || 0;
diff --git a/copri4/main/src/Mod/Shareework.pm b/copri4/main/src/Mod/Shareework.pm
index 85c7628..675e9d1 100755
--- a/copri4/main/src/Mod/Shareework.pm
+++ b/copri4/main/src/Mod/Shareework.pm
@@ -714,14 +714,31 @@ sub save_transact(){
 
              my $ctt = { c_id => 0 };
 	     $ctt = $dbt->fetch_record($dbh_operator,$pref);
-             if($ctt->{c_id} > 0){
-	      #TODO, fetch coupon in user context to restrict mass inserts
-              $pos_id = $dbt->insert_pos($dbh_operator,$ctt->{c_id},$ct,$ctadr_operator,"",$now_dt,$ct->{ct_name},"0",$owner);
-             }else{
-              my $ct_id = $dbt->insert_contenttrans($dbh_operator,$ctadr_operator,"300008","218","----",$owner);
-              $pos_id = $dbt->insert_pos($dbh_operator,$ct_id,$ct,$ctadr_operator,"",$now_dt,$ct->{ct_name},"0",$owner);
-             }
-  	
+
+	      my $posref = {
+        	table           => "contenttrans",
+        	table_pos       => "contenttranspos",
+        	fetch           => "one",
+        	keyfield        => "c_id",
+        	ca_id           => "$ctadr->{c_id}",
+		ct_name		=> "ilike::$valxx",
+        	};
+	     my $cttpos = { c_id => 0 };
+	     $cttpos =  $dbt->collect_post($dbh_operator,$posref);
+	
+	     #check if user has still coupon used
+	     if(!$cttpos->{c_id}){
+              if($ctt->{c_id} > 0){
+               $pos_id = $dbt->insert_pos($dbh_operator,$ctt->{c_id},$ct,$ctadr_operator,"",$now_dt,$valxx,"0",$owner);
+              }else{
+	       my $ct_id = {c_id => 0};
+               $ct_id = $dbt->insert_contenttrans($dbh_operator,$ctadr_operator,"300008","218","----",$owner);
+               $pos_id = $dbt->insert_pos($dbh_operator,$ct_id,$ct,$ctadr_operator,"",$now_dt,$valxx,"0",$owner);
+              }
+  	     }else{
+		$ret = "failure::conflict_txt16#top";
+	     }
+
 	     if($pos_id){
 	      $ret = "success::txt16";
 	      $dbt->update_content4comp($dbh_operator,$ct->{c_id},"-","1");
diff --git a/copri4/shareeapp-operator/src/Tpl/FormEdit.pm b/copri4/shareeapp-operator/src/Tpl/FormEdit.pm
index 8bd2b61..7e5e22e 100755
--- a/copri4/shareeapp-operator/src/Tpl/FormEdit.pm
+++ b/copri4/shareeapp-operator/src/Tpl/FormEdit.pm
@@ -494,8 +494,17 @@ Nach Abschluss der Registrierung erhalten Sie sowohl auf die von Ihnen hinterleg
 	#start failure messages
 	#Gutschein 
 	if($key =~  /txt16/ && $ctrel->{c_id}){
-          $required="";
-	  $label_des = "<span style='font-weight:normal;'>$des</span>";
+         if($R::failure =~ /^txt16/){
+            $autofocus = "autofocus";
+            $label_des = "<span style=color:$red>Der Gutscheincode ist leider nicht vorhanden. Bei nicht vorhandenen Codes das Feld bitte leer lassen.</span>";
+         }
+	 elsif($R::failure =~ /conflict_txt16/){
+            $autofocus = "autofocus";
+            $label_des = "<span style=color:$red>Der Gutscheincode wurde bereits hinterlegt. Bei nicht vorhandenen Codes das Feld bitte leer lassen.</span>";
+	 }else{
+            $required="";
+	    $label_des = "<span style='font-weight:normal;'>$des</span>";
+	 }
 	}
 	elsif($key eq "txt08" && $R::failure && $R::failure =~ /conflict_txt08/){
 	  $autofocus = "autofocus";