Workflow Backgroud Process Ended With ERROR

[ajit]

In my prodsvr Workflow Background Process Ending with Error,
Error is ORA-01555:snapshot too old: ,We have increased the undo segment size and undo time ,even then workflow Backgroud Process Ended with error.
Parameter are: Item Type:OM Order Line
Process Deffered:Yes
Process Time Out:Yes

Plz help me.[:)]

[nusha1]

Split the Order Import and Workflow Background processes in smaller batches

[ajit]

How to split the import and back ground process, I have no idea help me in this regard