diff --git a/Templates/Build/20_train.tpl b/Templates/Build/20_train.tpl
index a9b8307e..5bbde8e9 100644
--- a/Templates/Build/20_train.tpl
+++ b/Templates/Build/20_train.tpl
@@ -17,7 +17,10 @@ for($i = $start; $i <= $end; $i++) {
         $dur = $database->getArtifactsValueInfluence($session->uid, $village->wid, 5, round(${'u'.$i}['time'] * ($bid20[$village->resarray['f'.$id]]['attri'] / 100) * ($building->getTypeLevel(41)>=1?(1/$bid41[$building->getTypeLevel(41)]['attri']):1) / SPEED));
 		echo $generator->getTimeFormat($dur);
 		
-        if($session->userinfo['gold'] >= 3 && $building->getTypeLevel(17) >= 1) {
+        //-- If available resources combined are not enough, remove NPC button
+        $total_required = (int)(${'u'.$i}['wood'] + ${'u'.$i}['clay'] + ${'u'.$i}['iron'] + ${'u'.$i}['crop']);
+
+        if($session->userinfo['gold'] >= 3 && $building->getTypeLevel(17) >= 1 && $village->atotal >= $total_required) {
                    echo "|<a href=\"build.php?gid=17&t=3&r1=".((${'u'.$i}['wood'])*$technology->maxUnitPlus($i))."&r2=".((${'u'.$i}['clay'])*$technology->maxUnitPlus($i))."&r3=".((${'u'.$i}['iron'])*$technology->maxUnitPlus($i))."&r4=".((${'u'.$i}['crop'])*$technology->maxUnitPlus($i))."\" title=\"NPC trade\"><img class=\"npc\" src=\"img/x.gif\" alt=\"NPC trade\" title=\"NPC trade\" /></a>";
                  }  
         echo "</div></td>
diff --git a/Templates/Build/25_create.tpl b/Templates/Build/25_create.tpl
index 1701f85e..a033e521 100644
--- a/Templates/Build/25_create.tpl
+++ b/Templates/Build/25_create.tpl
@@ -20,7 +20,10 @@ $i = 20;
 					</div>
 					<div class=\"details\"><img class=\"r1\" src=\"img/x.gif\" alt=\"Lumber\" title=\"Lumber\" />".${'u'.$i}['wood']."|<img class=\"r2\" src=\"img/x.gif\" alt=\"Clay\" title=\"Clay\" />".${'u'.$i}['clay']."|<img class=\"r3\" src=\"img/x.gif\" alt=\"Iron\" title=\"Iron\" />".${'u'.$i}['iron']."|<img class=\"r4\" src=\"img/x.gif\" alt=\"Crop\" title=\"Crop\" />".${'u'.$i}['crop']."|<img class=\"clock\" src=\"img/x.gif\" alt=\"duration\" title=\"duration\" />";
                     echo $generator->getTimeFormat(round(${'u'.$i}['time']/SPEED));
-                    //if($session->userinfo['gold'] >= 3 && $building->getTypeLevel(17) > 1) {
+                    //-- If available resources combined are not enough, remove NPC button
+                   //$total_required = (int)(${'r'.$i}['wood'] + ${'r'.$i}['clay'] + ${'r'.$i}['iron'] + ${'r'.$i}['crop']);
+
+                   //if($session->userinfo['gold'] >= 3 && $building->getTypeLevel(17) >= 1 && $village->atotal >= $total_required) {
                    //echo "|<a href=\"build.php?gid=17&t=3&r1=".${'r'.$i}['wood']."&r2=".${'r'.$i}['clay']."&r3=".${'r'.$i}['iron']."&r4=".${'r'.$i}['crop']."\" title=\"NPC trade\"><img class=\"npc\" src=\"img/x.gif\" alt=\"NPC trade\" title=\"NPC trade\" /></a>";
                    //}
                    echo "
diff --git a/Templates/Build/26_create.tpl b/Templates/Build/26_create.tpl
index 1701f85e..a033e521 100644
--- a/Templates/Build/26_create.tpl
+++ b/Templates/Build/26_create.tpl
@@ -20,7 +20,10 @@ $i = 20;
 					</div>
 					<div class=\"details\"><img class=\"r1\" src=\"img/x.gif\" alt=\"Lumber\" title=\"Lumber\" />".${'u'.$i}['wood']."|<img class=\"r2\" src=\"img/x.gif\" alt=\"Clay\" title=\"Clay\" />".${'u'.$i}['clay']."|<img class=\"r3\" src=\"img/x.gif\" alt=\"Iron\" title=\"Iron\" />".${'u'.$i}['iron']."|<img class=\"r4\" src=\"img/x.gif\" alt=\"Crop\" title=\"Crop\" />".${'u'.$i}['crop']."|<img class=\"clock\" src=\"img/x.gif\" alt=\"duration\" title=\"duration\" />";
                     echo $generator->getTimeFormat(round(${'u'.$i}['time']/SPEED));
-                    //if($session->userinfo['gold'] >= 3 && $building->getTypeLevel(17) > 1) {
+                    //-- If available resources combined are not enough, remove NPC button
+                   //$total_required = (int)(${'r'.$i}['wood'] + ${'r'.$i}['clay'] + ${'r'.$i}['iron'] + ${'r'.$i}['crop']);
+
+                   //if($session->userinfo['gold'] >= 3 && $building->getTypeLevel(17) >= 1 && $village->atotal >= $total_required) {
                    //echo "|<a href=\"build.php?gid=17&t=3&r1=".${'r'.$i}['wood']."&r2=".${'r'.$i}['clay']."&r3=".${'r'.$i}['iron']."&r4=".${'r'.$i}['crop']."\" title=\"NPC trade\"><img class=\"npc\" src=\"img/x.gif\" alt=\"NPC trade\" title=\"NPC trade\" /></a>";
                    //}
                    echo "
diff --git a/Templates/Build/avaliable/availupgrade.tpl b/Templates/Build/avaliable/availupgrade.tpl
index 65b1553c..9e06bfdc 100644
--- a/Templates/Build/avaliable/availupgrade.tpl
+++ b/Templates/Build/avaliable/availupgrade.tpl
@@ -9,7 +9,10 @@ $uprequire = $building->resourceRequired($id, $bid);
 <td class="res">
 			<img class="r1" src="img/x.gif" alt="Lumber" title="Lumber" /><?php echo $uprequire['wood']; ?> | <img class="r2" src="img/x.gif" alt="Clay" title="Clay" /><?php echo $uprequire['clay']; ?> | <img class="r3" src="img/x.gif" alt="Iron" title="Iron" /><?php echo $uprequire['iron']; ?> | <img class="r4" src="img/x.gif" alt="Crop" title="Crop" /><?php echo $uprequire['crop']; ?> | <img class="r5" src="img/x.gif" alt="Crop consumption" title="Crop consumption" /><?php echo $uprequire['pop']; ?> | <img class="clock" src="img/x.gif" alt="duration" title="duration" /><?php echo $generator->getTimeFormat($uprequire['time']);
 
-                   if($session->userinfo['gold'] >= 3 && $building->getTypeLevel(17) >= 1) {
+                   //-- If available resources combined are not enough, remove NPC button
+                   $total_required = (int)($uprequire['wood'] + $uprequire['clay'] + $uprequire['iron'] + $uprequire['crop']);
+
+                   if($session->userinfo['gold'] >= 3 && $building->getTypeLevel(17) >= 1 && $village->atotal >= $total_required) {
                    echo "|<a href=\"build.php?gid=17&t=3&r1=".$uprequire['wood']."&r2=".$uprequire['clay']."&r3=".$uprequire['iron']."&r4=".$uprequire['crop']."\" title=\"NPC trade\"><img class=\"npc\" src=\"img/x.gif\" alt=\"NPC trade\" title=\"NPC trade\" /></a>";
                  } ?></td>
 		</tr>