diff --git a/Core/Extensions/DbContextExtension.cs b/Core/Extensions/DbContextExtension.cs
index e05cbc5..847d109 100644
--- a/Core/Extensions/DbContextExtension.cs
+++ b/Core/Extensions/DbContextExtension.cs
@@ -37,4 +37,18 @@ public static class DbContextExtension
 
         entry.State = EntityState.Modified;            
     }
+
+    public static void AddOrUpdate(this DbContext dbContext, object entity)
+    {
+        try
+        {
+            dbContext.Update(entity);
+            dbContext.SaveChanges();
+        }
+        catch (DbUpdateConcurrencyException e)
+        {
+            dbContext.Add(entity);
+            dbContext.SaveChanges();
+        }
+    }
 }
diff --git a/Core/GeneralHandler.cs b/Core/GeneralHandler.cs
index 3bd045c..9dc2227 100644
--- a/Core/GeneralHandler.cs
+++ b/Core/GeneralHandler.cs
@@ -71,8 +71,7 @@ namespace Kruzya.TelegramBot.Core
             await databaseContext.Users.AddAsync(new BotUser()
             {
                 ChatId = chat,
-                UserId = user,
-                BotUserId = new Guid()
+                UserId = user
             });
         }
     }
diff --git a/modules/ChatManagement/Handler/Reputation.cs b/modules/ChatManagement/Handler/Reputation.cs
index aa8b1af..d8e560c 100644
--- a/modules/ChatManagement/Handler/Reputation.cs
+++ b/modules/ChatManagement/Handler/Reputation.cs
@@ -116,7 +116,7 @@ namespace West.TelegramBot.ChatManagement.Handler
                 
                 _logger.LogDebug("Saving receiver rep with value: {Value}", receiverRepCount);
                 receiverRepOption.SetValue(receiverRepCount);
-                Db.Update(receiverRepOption);
+                Db.AddOrUpdate(receiverRepOption);
                 _logger.LogDebug("Updated value: {Value}", receiverRepOption.GetValue<double>());
 
                 await Reply($"{From.ToHtml()}<code>({await GetUserReputation(From)}) " +
@@ -141,7 +141,7 @@ namespace West.TelegramBot.ChatManagement.Handler
             reputation = Math.Round(reputation, 2);
             var opt = await GetReputationOption(RepliedUser);
             opt.SetValue(reputation);
-            Db.Update(opt);
+            Db.AddOrUpdate(opt);
 
             await Reply(
                 new HtmlString()
diff --git a/modules/ChatManagement/Handler/Rules.cs b/modules/ChatManagement/Handler/Rules.cs
index 675d4a6..bbebfdd 100644
--- a/modules/ChatManagement/Handler/Rules.cs
+++ b/modules/ChatManagement/Handler/Rules.cs
@@ -19,7 +19,7 @@ namespace West.TelegramBot.ChatManagement.Handler
 
             var opt = await Db.UserValues.FindOrCreateOption(Chat.Id, "rulesMsgId");
             opt.SetValue(replyToMessage.MessageId);
-            Db.Update(opt);
+            Db.AddOrUpdate(opt);
         }
 
         [Command(InChat.Public, "rules", CommandParseMode.Both)]
diff --git a/modules/ChatManagement/Handler/Warn.cs b/modules/ChatManagement/Handler/Warn.cs
index 9e5816e..1957c6b 100644
--- a/modules/ChatManagement/Handler/Warn.cs
+++ b/modules/ChatManagement/Handler/Warn.cs
@@ -24,7 +24,7 @@ namespace West.TelegramBot.ChatManagement.Handler
             var warnOption = await GetWarnOption(warnUser);
             var warnCount = warnOption!.GetValue<int>() + 1;
             warnOption.SetValue(warnCount);
-            Db.Update(warnOption);
+            Db.AddOrUpdate(warnOption);
             
             await Bot.SendTextMessageAsync(Chat.Id, $"{warnUser.ToHtml()}<code>, Вам выдано предупреждение! " +
                                                     $"Текущее кол-во: {warnCount}/3</code>", 
@@ -49,7 +49,7 @@ namespace West.TelegramBot.ChatManagement.Handler
             
             warnCount = Math.Max(warnCount - 1, 0);
             warnOption.SetValue(warnCount);
-            Db.Update(warnOption);
+            Db.AddOrUpdate(warnOption);
             
             await Bot.SendTextMessageAsync(Chat.Id, 
                 $"{RepliedUser.ToHtml()}<code>, с Вас снято предупреждение! " +
diff --git a/modules/Entertainment/Handler/Fun/AbstractAnimationReply.cs b/modules/Entertainment/Handler/Fun/AbstractAnimationReply.cs
index ffcf7c6..e157dca 100644
--- a/modules/Entertainment/Handler/Fun/AbstractAnimationReply.cs
+++ b/modules/Entertainment/Handler/Fun/AbstractAnimationReply.cs
@@ -47,7 +47,7 @@ namespace West.Entertainment.Handler.Fun
 
             var animationFileOption = await GetAnimationFileOption();
             animationFileOption.SetValue(animation.FileId);
-            _db.Update(animationFileOption);
+            _db.AddOrUpdate(animationFileOption);
         }
 
         // ReSharper disable once MemberCanBeProtected.Global
@@ -77,7 +77,7 @@ namespace West.Entertainment.Handler.Fun
                 replyToMessageId: GetMessageIdToReply() ?? Message?.MessageId);
 
             nextUseOption.SetValue(DateTime.Now + Cooldown);
-            _db.Update(nextUseOption);
+            _db.AddOrUpdate(nextUseOption);
             
             return true;
         }
diff --git a/modules/UserGroupTag/Handler.cs b/modules/UserGroupTag/Handler.cs
index 59a1534..5f26a12 100644
--- a/modules/UserGroupTag/Handler.cs
+++ b/modules/UserGroupTag/Handler.cs
@@ -56,7 +56,7 @@ namespace UserGroupTag
             tagDictionary[groupName] = memberList;
             
             userGroupOption.SetValue(tagDictionary);
-            _db.Update(userGroupOption);
+            _db.AddOrUpdate(userGroupOption);
 
             _userCache.SetValue(repliedMessage.From.Id, repliedMessage.From, Int32.MaxValue);
             await Bot.SendTextMessageAsync(chatId, $"{from.ToHtml()} добавлен в группу {groupName}",