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3777577 - Drop subscription processing hangs at the "DEMATERIALIZING" status - SRS

Symptom

  • drop subscription processing hangs at the "DEMATERIALIZING" status
  • Error #28278 appears repeatedly on the replicate replication server: "automatic subscription dematerialization is not supported. data server make: iq. connector type: ctlib."

    (RRS log)
    E. 2026/06/24 11:23:15. ERROR #28278 DSI(105 RDS.rdb) - eneric/sub/sub_mat.c(2395)
                       Automatic subscription dematerialization is not supported for this replicate data server make and connector type. Data server make: <iq>. Connector Type: <ctlib>.


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Environment

  • SAP Replication Server (SRS) 16.1
  • SAP Replication Server (SRS) 16.0
  • SAP Replication Server (SRS) 15.7.1

Product

SAP Replication Server all versions

Keywords

inbound queue, sleeping for segment, ibq_part_proportion, 60031, 60036, 28278, dematerialization, drop subscription, sysadmin drop_queue, SQM, stuck queue, replication server, iq ctlib, srs, subscription cleanup , KBA , BC-SYB-REP , Sybase Replication Server (standalone) , Known Error

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