add missing data check

commands/roles.js

@@ -21,9 +21,9 @@ module.exports = {
       if (GuildDB.customChannelStatus==true&&!GuildDB.allowedChannels.includes(interaction.channel_id)) {
         return interaction.send({ content: `You are not allowed to use the bot in this channel.` });
       }
-      
+
       let guild = await client.dbo.collection("prefixes").findOne({"server.serverID":interaction.guild.id}).then(guild => guild);
-      if (guild.server.hasCustomRoles==false) {
+      if (!client.exists(guild.server.hasCustomRoles) || !guild.server.hasCustomRoles) {
         return interaction.send({ content: 'There are no roles set for the bot.' });
       }