Remove duplicate

[blazino17]

Hello everyone, I created a code stage for removing duplicate as attached below , it works perfectly on my local system, but it does not work on the environment i want it to run on. what could be the issue and how can it be resolved? 

[sumire]

Hello @blazino17 ,

My guess is that the required DLL(Microsoft.Office.Interop.Excel.dll ? maybe not) is present in the local environment and not in that environment.