While cloning any company on stage, below exception is getting thrown,

ErrorID : 0
ErrorSource : ControllerAppTier.Clone->WORKTERRAControllerAppTier.Clone->Company.Clone->Company.CloneCompany->Company.DeleteEmployeeDetails
ErrorMessage: The DELETE statement conflicted with the REFERENCE constraint "FK_pm.RaisedEventBuilder_dbo.Employee_ID". The conflict occurred in database "BioRadEDIDataLoadTesting_13705", table "dbo.RaisedEventBuilder", column 'EmployeeID'.
The DELETE statement conflicted with the REFERENCE constraint "FK_pm.RaisedEventBuilder_dbo.Employee_ID". The conflict occurred in database "BioRadEDIDataLoadTesting_13705", table "dbo.RaisedEventBuilder", column 'EmployeeID'.
The statement has been terminated.
The statement has been terminated.
DBCC execution completed. If DBCC printed error messages, contact your system administrator.
Checking identity information: current identity value '85', current column value '0'.
DBCC execution completed. If DBCC printed error messages, contact your system administrator.
Checking identity information: current identity value 'NULL', current column value '0'.
DBCC execution completed. If DBCC printed error messages, contact your system administrator.
Checking identity information: current identity value '53', current column value '0'.
DBCC execution completed. If DBCC printed error messages, contact your system administrator.
Checking identity information: current identity value '10', current column value '0'.
DBCC execution completed. If DBCC printed error messages, contact your system administrator.
Checking identity information: current identity value '121', current column value '0'.
DBCC execution completed. If DBCC printed error messages, contact your system administrator.
Checking identity information: current identity value '19', current column value '0'.
StackTrace: at WORKTERRA.Shared.WORKTERRAControllerAppTier.Clone(WORKTERRAControllerWebTierEntity objWORKTERRAControllerWebTierEntity)
at WORKTERRA.ControllerAppTier.Clone(Int32 intProjectsId, String strInput)
TargetSite: System.String Clone(WORKTERRA.Shared.WORKTERRAControllerWebTierEntity)