3621829 - Error while upgrading to SAP Cloud Connector 2.18.1: "The installer was interrupted before Cloud Connector 2.18.1 could be installed. You need to restart the installer again"

• When attempting to upgrade to SAP Cloud Connector version 2.18.1, the installation fails with the following error message:
  "The installer was interrupted before Cloud Connector 2.18.1 could be installed. You need to restart the installer again."
  
  
• scc_service.log contains the following entries:
  

  Switching TLS email configuration to dedicated trust store configuration in scc_config.ini.
  
  Exception in thread "main" java.lang.NoClassDefFoundError: com/sap/scc/servlets/TrustStoreConfiguration$TrustOption
  
      at com.sap.scc.config.xml.SccConfigIni.lambda$new$1(SccConfigIni.java:242)
  
      at com.sap.scc.config.xml.SccConfigIni.upgrade(SccConfigIni.java:64)
  
      at com.sap.scc.util.upgrade.UpgradeRunner.run(UpgradeRunner.java:469)
  
      at com.sap.scc.util.upgrade.UpgradeRunner.main(UpgradeRunner.java:102)
  
  Caused by: java.lang.ClassNotFoundException: com.sap.scc.servlets.TrustStoreConfiguration$TrustOption
  
      at java.net.URLClassLoader.findClass(URLClassLoader.java:449)
  
      at java.lang.ClassLoader.loadClass(ClassLoader.java:482)
  
      at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:388)
  
      at java.lang.ClassLoader.loadClass(ClassLoader.java:415)
  
      ... 4 more

SAP Cloud Connector 2.18.1

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