SAP Message BB016 - No input help (F4) for business segment, 'X' -> Acct assignment window

Diagnosis
There is no F4 help available for the field 'Profitability segment'.

Procedure
You specify a profitability segment by entering certain criteria, forexample, Customer C01, Sales district WEST, and so on, in a specialcoding block window for the profitability segment.
You call up this window by checking off the box behind the field'Profitability segment'.
When entering the criteria in the coding block window, all the standardhelp functions are available (F1, F4, matchcode).
To show that the account assignment refers to a profitability segment,the system automatically determines the number of the profitabilitysegment and enters it in the relevant field.