SAP Message WRF_RPR_PROMREB032 - Hier. node &1 for season &2/&3 is used simultaneously in other promotions

Diagnosis
A discount has already been defined for the hierarchy node for season<(>&<)>2/&3 in the specified sales period. However, only one promotiondiscount can be valid for a condition type in a specific period.

System Response
INCLUDE ISR_STOP

Procedure
Check the promotion periods.