Data objects in Unicode cannot be converted dump

Hi experts,
I am using a Custom business object which if run independently throws no error. We are upgrading 4.6 to ECC 6.0.It is unicode active.
The Business object contains methods for displaying a scanned document from IXOS server.
On executing work item (for decision step), there is a scanned document which shows up in a window. On closing the window,
there is a short dump with text 'Data objects in Unicode cannot be converted dump'.
There are both Before Work item execution method and an After Work item execution method attached in the Methods tab of the task.
In the After Work item method there is ARCHIVWINDOW_CLOSE function module used. Could there be a problem with this?
Please help.
Regards,
Garima.

Actually, there is no problem in Workflow.It is because we are upgrading from 4.6 to ECC 6.0.
I have used CREATE OBJECT ole class and FREE OBJECT statements.
There is a dump ' Data objects in Unicode cannot be converted dump ' from function AC_FLUSH_CALL_INTERNAL
occuring when FREE OBJECT statement is executed.
Please suggest a solution to this.
Regards,
Garima.

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b. Reference Types
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What is the difference between Type and Like?
Answer1:
TYPE, you assign datatype directly to the data object while declaring.
LIKE,you assign the datatype of another object to the declaring data object. The datatype is referenced indirectly.
Answer2:
Type is a keyword used to refer to a data type whereas Like is a keyword used to copy the existing properties of already existing data object.
Answer3:
type refers the existing data type
like refers the existing data object
reward if useful
thanks and regards
suma sailaja pvn

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regards,
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Data objects in Unicode cannot be converted dump

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