Getting Error While Compiling the workspace

I'm Getting Error while compiling the workspace everytime. I checked the error log and it's saying as below. Kindly help to resolve this. Have attached the file for reference.



[57] ERROR IIS APPPOOL\Creatio Terrasoft.Core.UserConnection OnCurrentUserConnectionChanged - Overwriting UserConnection.Current in the same context is not allowed    at System.Environment.GetStackTrace(Exception e, Boolean needFileInfo)