The flow field value cannot be calculated

The Flow Field Value Cannot be calculated

You must define and activity a key that contains the following key fields in any order and then associate the specified SumIndexField with it

Key Fields:Seminar No

SumIndexField:Seminar No.

Table:Seminar Ledger Entry

And what are you expecting?


The error meassage clearly shows what u have to do to achieve the same

You need to define the the active key on table

Here is the duplicate post