Activate the writing of change pointers for each message type, for example, DEBMAS and MATMAS.

Procedure

1. From the IMG menu, choose SAP NetWeaver → Application Server → IDoc Interface / Application Link Enabling (ALE) → Modeling and Implementing Business Processes → Master Data Distribution → Replication of Modified Data → Activate Change Pointers for Message Types.
   
2. In the Change View “Activate Change pointer for message type”: Overview window, check if the DEBMAS message type is available.

1. If it is available, select the checkbox for the message type.
   
2. If it is not available, choose New Entries. and in the New Entries: Overview window, enter the following:
   

Field name	Field Value	Description
Message Type	DEBMAS	Message type for master data distribution
Activate	Select checkbox	ALE active indicators for the DEBMAS message type

3. Save your entries
   
4. In the Change View “Activate Change pointer for message type”: Overview window, check if the MATMAS message type is available.
   

1. If it is available, select the checkbox for the message type.
   
2. If it is not available, choose New Entries, and in the New Entries: Overview window, enter the following:
   

Field name	Field Value	Description
Message Type	MATMAS	Message type for master data distribution
Activate	Select checkbox	ALE active indicators for message type MATMAS

5. Save your entries.
   

Next Step: Defining Variants for Master Data Distribution in SAP S/4 HANA in Integration Hub