2451157 - ERROR #9022 Cannot deliver a command - SRS

In the Replication Server error log:

E. YYYY/MM/DD hh24:mm:ss. ERROR #9022 DIST(106 dsname.pdb_path2) - /generic/gtr/tdext.c(1608)
        Cannot deliver a command from dsname.pdb_path2 since no transaction is open.
E. YYYY/MM/DD hh24:mm:ss. ERROR #9022 DIST(103 dsname.pdb) - /generic/gtr/tdext.c(1608)
        Cannot deliver a command from dsname.pdb since no transaction is open.
I. YYYY/MM/DD hh24:mm:ss. DIST for 'dsname.pdb' is waiting for SQM(s) to flush to outbound queue(s).
I. YYYY/MM/DD hh24:mm:ss. DIST for 'dsname.pdb_path2' is waiting for SQM(s) to flush to outbound queue(s).
I. YYYY/MM/DD hh24:mm:ss. The distributor for 'dsname.pdb' is shutting down
I. YYYY/MM/DD hh24:mm:ss. The distributor for 'dsname.pdb_path2' is shutting down
I. YYYY/MM/DD hh24:mm:ss. Replication Agent for dsname.pdb connected in passthru mode.
I. YYYY/MM/DD hh24:mm:ss. Replication Agent for dsname.pdb connected in passthru mode.
E. YYYY/MM/DD hh24:mm:ss. ERROR #14067 USER(REPSERVERNAME_ra) - generic/exec/execint.c(3265)
        Replication Agent for 'dsname.pdb' is in the process of disconnecting. Possibly wait and try again.

• SAP Replication Server (SRS) 15.7.1
• Adaptive Server Enterprise (ASE) 15.7

ASE RS RS1571 , KBA , BC-SYB-REP , Sybase Replication Server (standalone) , Problem