3379062 - Error message on Setup Single Sign-On Activity - SAP Solution Manager

Error message on activity Setup Single Sign-On on Managed System Configuration.

The message appears as below:

A failure occured while connecting to ABAP stack on <HOST> sys=*number* client=*Client* user=<USER>. Details : Connect from SAP gateway to RFC server failed Connection parameters: TYPE=A DEST="" ASHOST=<HOST> SYSNR=*number* PCS=1 LOCATION SAP-Gateway on host <HOST> / <HOST>*number* ERROR Gateway not connected to local R/3 TIME <DATE> <TIME> 2023 RELEASE <KERNEL> COMPONENT SAP-Gateway VERSION 2 RC 726 MODULE <PATH> LINE 6285 COUNTER 14 (cause=com.sap.mw.rfc.exceptions.RfcException Connect from SAP gateway to RFC server failed Connection parameters: TYPE=A DEST="" ASHOST=<HOST> SYSNR=*number* PCS=1 LOCATION SAP-Gateway on host <HOST> / <HOST>*number* ERROR Gateway not connected to local R/3 TIME <DATE> <TIME> 2023 RELEASE <KERNEL> COMPONENT SAP-Gateway VERSION 2 RC 726 MODULE <PATH> LINE 6285 COUNTER 14 )
Found *TYPE*-SID for <SID> ACL entry : <SID> Found login.ticket_client for <SID> ACL entry : *number* The TicketKeystore/SAPLogonTicketKeypair-cert was succesfully read (* bytes) Found ABAP-SID for <SID> ACL entry : <SID> A failure occured while connecting to ABAP stack on <HOST> sys=*number* client=*Client* user=<USER> !! Exception : Connect from SAP gateway to RFC server failed Connection parameters: TYPE=A DEST="" ASHOST=<HOST> SYSNR=*number* PCS=1 LOCATION SAP-Gateway on host <HOST> / <HOST>*number* ERROR Gateway not connected to local R/3 TIME <DATE> <TIME> 2023 RELEASE <KERNEL> COMPONENT SAP-Gateway VERSION 2 RC 726 MODULE <PATH> LINE 6285 COUNTER 12 (cause=com.sap.mw.rfc.exceptions.RfcException Connect from SAP gateway to RFC server failed Connection parameters: TYPE=A DEST="" ASHOST=<HOST> SYSNR=*number* PCS=1 LOCATION SAP-Gateway on host <HOST> / <HOST>*number* ERROR Gateway not connected to local R/3 TIME <DATE> <TIME> 2023 RELEASE <KERNEL> COMPONENT SAP-Gateway VERSION 2 RC 726 MODULE <PATH> LINE 6285 COUNTER 12 )
[...]
(102) RFC_ERROR_COMMUNICATION: Connect from SAP gateway to RFC server failed Connection parameters: TYPE=A DEST="" ASHOST=<HOST> SYSNR=*number* PCS=1 LOCATION SAP-Gateway on host <HOST> / <HOST>*number* ERROR Gateway not connected to local R/3 TIME <DATE> <TIME> 2023 RELEASE <KERNEL> COMPONENT SAP-Gateway VERSION 2 RC 726 MODULE <PATH> LINE 6285 COUNTER 12
[...]

SAP Solution Manager 7.2

Single Sign-On, Activity, Managed System Configuration, LMDB, Technical Instances, Solution Manager, RFC_ERROR_COMMUNICATION, RFC_FAILURE(1), Gateway not connected to local R/3 , KBA , SV-SMG-INS-CFG-MNG , Managed System Configuration , Problem