Some servers don't have guild_invites table

system/pages/guilds/invite.php

@@ -23,6 +23,12 @@ if(!Validator::guildName($guild_name)) {
 	$errors[] = Validator::getLastError();
 }
 
+if (!$db->hasTableAndColumns('guild_invites', ['player_id'])) {
+	$errors[] = "Guild invite is not possible on this website.";
+	$twig->display('error_box.html.twig', ['errors' => $errors]);
+	return;
+}
+
 if(empty($errors)) {
 	$guild = new OTS_Guild();
 	$guild->find($guild_name);
@@ -58,7 +64,7 @@ if(empty($errors)) {
 	}
 }
 
-if(!$guild_vice) {
+if(empty($errors) && !$guild_vice) {
 	$errors[] = 'You are not a leader or vice leader of guild <b>'.$guild_name.'</b>.'.$level_in_guild;
 }
 
@@ -84,6 +90,7 @@ if(isset($_POST['todo']) && $_POST['todo'] == 'save') {
 		}
 	}
 }
+
 if(empty($errors)) {
 	include(SYSTEM . 'libs/pot/InvitesDriver.php');
 	new InvitesDriver($guild);
@@ -104,6 +111,7 @@ if(!empty($errors)) {
 else {
 	if(isset($_POST['todo']) && $_POST['todo'] == 'save') {
 		$guild->invite($player);
+
 		$twig->display('success.html.twig', array(
 			'title' => 'Invite player',
 			'description' => 'Player with name <b>' . $player->getName() . '</b> has been invited to your guild.',

system/pages/guilds/show.php

@@ -121,25 +121,28 @@ foreach($rank_list as $rank)
 	}
 }
 
-include(SYSTEM . 'libs/pot/InvitesDriver.php');
-new InvitesDriver($guild);
-$invited_list = $guild->listInvites();
+$invited_list = [];
 $show_accept_invite = 0;
-if($logged && count($invited_list) > 0)
-{
-	foreach($invited_list as $invited_player)
-	{
-		if(count($account_players) > 0)
-		{
-			foreach($account_players as $player_from_acc)
-			{
-				if($player_from_acc->isLoaded() && $invited_player->isLoaded() && $player_from_acc->getName() == $invited_player->getName())
+
+if ($db->hasTableAndColumns('guild_invites', ['player_id'])) {
+	include(SYSTEM . 'libs/pot/InvitesDriver.php');
+	new InvitesDriver($guild);
+	$invited_list = $guild->listInvites();
+
+	if($logged && count($invited_list) > 0) {
+		foreach($invited_list as $invited_player) {
+			if(count($account_players) > 0) {
+				foreach($account_players as $player_from_acc) {
+					if($player_from_acc->isLoaded() && $invited_player->isLoaded() && $player_from_acc->getName() == $invited_player->getName()) {
 						$show_accept_invite++;
 					}
 				}
 			}
+		}
+	}
 }
 
+
 $useGuildNick = $db->hasTable('guild_members') || $db->hasTable('guild_membership') || $db->hasColumn('players', 'guildnick');
 
 $twig->display('guilds.view.html.twig', array(

system/templates/guilds.view.html.twig

@@ -235,6 +235,7 @@
 															{% endif %}
 
 															{% if isVice %}
+																{% if db.hasTableAndColumns('guild_invites', ['player_id']) %}
 																	<form action="{{ getLink('guilds') }}?action=invite&guild={{ guild_name|url_encode }}" method="post">
 																		{{ csrf() }}
 																		<td>
@@ -243,6 +244,7 @@
 																			{% include('buttons.base.html.twig') %}
 																		</td>
 																	</form>
+																{% endif %}
 
 																<form action="{{ getLink('guilds') }}?action=change_rank&guild={{ guild_name|url_encode }}" method="post">
 																	{{ csrf() }}