3442113 - Fault Manager can't get only db host status - SAP ASE

• Fault Manager can't get only "db host status" (UNKNOWN)
• "db status" and "replication status" are fine
• Fault Manager log(dev_sybdbfm) shows that the TASK=GET_HEARTBEAT_EXE task was executed, but there is no message that it was successful(GET_HEARTBEAT_EXE=ok)
• There are no directory for heartbeat executable in PRIM/COMP site (Unix: /usr/sap/hostctrl/work[/<server_name or SID>]  Win: C:\Program Files\SAP\hostctrl\work\<server_name or SID> 

*** sanity check report (2)***.
node 1: server abc01.sap.com, site SITE1.
db host status: UNKNOWN.
db status OK hadr status PRIMARY.
node 2: server abc02.sap.com, site SITE2.
db host status: UNKNOWN.
db status OK hadr status STANDBY.
replication status: SYNC_OK.
failover prerequisites fulfilled: NO.
SYBDBFM_SANITY_STATUS_END

• SAP Adaptive Server Enterprise(ASE) 16.0 HADR/Always-on
• SAP Replication Server(SRS) 16.0

KBA , BC-SYB-REP-SAP , Replication with SAP Suite / SAP BW , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-REP , Sybase Replication Server (standalone) , Problem