Web App Bot deletion

[David Noble]

Hi,

I'm wanting to delete a Web App Bot but receive this error: 

Has anyone encountered this before?

• Operation name
  Delete BotServices
• Time stamp
  Fri Apr 20 2018 21:52:09 GMT+0100 (GMT Summer Time)
• Event initiated by
  *************@***********.****
• Error code
  UnknownError
• Message
  message: The remote server returned an error: (412) Precondition Failed. original trace: at Microsoft.WindowsAzure.Storage.Core.Executor.Executor.EndExecuteAsync[T](IAsyncResult result) at Microsoft.WindowsAzure.Storage.Core.Util.AsyncExtensions.<>c__DisplayClass2`1.<CreateCallback>b__0(IAsyncResult ar) --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Intercom.Azure.Helpers.CloudTableObjectExtensions.<TransformObjectAsync>d__13`1.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Intercom.Azure.Helpers.CloudTableObjectExtensions.<TransformObjectAsync>d__12`1.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Intercom.Models.Storage.<TransformBotAsync>d__80.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Intercom.Models.Storage.<DeleteBotChannelAccountsAsync>d__95.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at DevPortalLib.Helpers.BotHelper.<DeleteBotAsync>d__16.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.ConfiguredTaskAwaitable.ConfiguredTaskAwaiter.GetResult() at Intercom.ResourceProvider.DataProviders.ResourceDataProvider.<DeleteResourceAsync>d__3.MoveNext()