Save a csv file on local host, executing a DTP Open hub in a Process chain?

Hi All,
my client has asked me to try if there is a way to save in the local host c:\ a .CSV file generated from an Open HUB executed by a DTP in a Process chain.
when i execute my DTP it work correctly and it save the .csv file on my c:\ directory.
my client doesn't want to give th users authtorization on RSA1 and want to try if there is a way to put the DTP in a process chain
and when executing the process chain every user can have the file on his own local c:\ directory.
i tried this solution but it doesn't work i get an error on executin the process chain:
Runtime Errors         OBJECTS_OBJREF_NOT_ASSIGNED
Except.                     CX_SY_REF_IS_INITIAL
Error analysis
    An exception occurred that is explained in detail below.
    The exception, which is assigned to class 'CX_SY_REF_IS_INITIAL', was not
     caught in
    procedure "FILE_DELETE" "(METHOD)", nor was it propagated by a RAISING clause.
    Since the caller of the procedure could not have anticipated that the
    exception would occur, the current program is terminated.
    The reason for the exception is:
    You attempted to use a 'NULL' object reference (points to 'nothing')
    access a component (variable: "CL_GUI_FRONTEND_SERVICES=>HANDLE").
    An object reference must point to an object (an instance of a class)
    before it can be used to access components.
    Either the reference was never set or it was set to 'NULL' using the
    CLEAR statement.
can you give some advices please?
Thanks for All
Bilal

Hi Bilal,
Unfortunately, DTPs belonging to Open Hubs wich are targeted to a local workstation file, can't be executed through a process chain.
The only way of including such DTP in a process chain is changing the Open Hub so that it writes the output file in the application server. Then, you can retrieve the file -through FTP or any other means- from the application server to the local workstation.
Hope this helps.
King regards,
Maximiliano

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