3764290 - Error "Failed to logon sa. Please provide valid sa credentials in the SAP Secure Store" during ASE upgrade check for SAP BW on ASE

• During execution of SAP Host Agent command for ASE upgrade check:
  ./saphostctrl -user sapadm <password> -function LiveDatabaseUpdate -dbname <DBNAME> -dbtype syb -updatemethod Check -updateoption TASK=CHECK_UPDATE_ASE -updateoption DROP_LOCATION=<path>
  
  the following error occurs:
  Error: sapdbctrl: Failed to logon sa. Please provide valid sa credentials in the SAP Secure Store. (fault code: 127)
  
  
• Validation of secure store entries shows 'SAUPD' user not found
  ./saphostctrl -function LiveDatabaseUpdate -dbname <DBNAME> -dbtype syb -updateoption TASK=VALIDATE_SEC_STORES
  
  GLOBAL_SAUPD=not found

SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite

saphostctrl, livedatabaseupdate, ase upgrade, failed to logon sa, secure store, saupd, rsecssfx, sapdbctrl exit code 1, fault code 127, sybctrl verify_secure_store, ase 16.0.04, ase 16.0.02, sybase, sap host agent, check_update_ase , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , Problem