(Exception from HRESULT: 0x80010105 (RPC_E_SERVERFAULT))

[loginerror (Maciej Kuźmicz)]

It’s the same error as per this bug report:

ExcelApplicationScope "random" HRESULT's

Scenario: In a tight loop, ExcelApplicationScope can “randomly” (~once every couple of thousand iterations, depending on circumstances) produce a wide array of different HRESULT ComExceptions due to hooking up to a running Excel process in incompatible state. Example produced error below, but they can vary greatly: Execution error : UiPath.Excel.ExcelException: The server threw an exception. (Exception from HRESULT: 0x80010105 (RPC_E_SERVERFAULT)) ---> System.Runtime.InteropServices.COMExcept…

I would try introducing some tiny delays, as it might be related to you processing the data too fast.

It’s just a guess though.