Fix bot launch errors

src/Managing.Application/Bots/TradingBot.cs

@@ -99,7 +99,15 @@ public class TradingBot : Bot, ITradingBot
             LoadScenario();
             await PreloadCandles();
             await CancelAllOrders();
-            await MessengerService.SendMessage($"Hi everyone, I'm going to run {Name}. \nI will send a message here everytime a signal is triggered by the {string.Join(",", Strategies.Select(s => s.Name))} strategies.");
+
+            try
+            {   
+                await MessengerService.SendMessage($"Hi everyone, I'm going to run {Name}. \nI will send a message here everytime a signal is triggered by the {string.Join(",", Strategies.Select(s => s.Name))} strategies.");
+            }
+            catch (Exception ex)
+            {
+                Logger.LogError(ex, ex.Message);
+            }
             await InitWorker(Run);
         }
 
@@ -553,7 +561,7 @@ public class TradingBot : Bot, ITradingBot
 
     private async Task CancelAllOrders()
     {
-        if (!IsForBacktest)
+        if (!IsForBacktest && !IsForWatchingOnly)
         {
             try
             {