Message Number list used by SAP ABAP Class CL_CLB_FEED_GW (Feed Representation at Gateway (Notification))
SAP ABAP Class CL_CLB_FEED_GW (Feed Representation at Gateway (Notification)) is using
# Object Type Object Name Object Description Note
     
1 Message Number  CLB - 506 Not all recipients could be mapped to cloud users
2 Message Number  CLB - 507 Recipient &1 could not be mapped to cloud user