SAP Message UPB169 - No reference level is specified in row &1 of key figure scheme

Diagnosis
In the key figure scheme, you defined a step as an absolute value.However, you have not entered from which planning level the necessaryreference values should be read.

System Response
You can only continue processing when you have made the necessaryentries.

Procedure
In the column Reference, enter the planning level from which thereference values should be read.