2029027 - Can't load filters for '<template>' on default template level. Reason: Cannot get filter

• After opening the configtool, every-time you try to select the template or instance entry, there's the following error:
  
• From the latest configtool.*.trc under \usr\sap\<SID>\<CI>\j2ee\configtool, you can see the error similar as following one:
  ----------------------------
  Can't load filters for '<template_name>' on default template level.
  com.sap.engine.lib.config.api.exceptions.ClusterConfigurationException: Cannot get filter.
   at com.sap.engine.lib.config.impl.filters.FilterHandlerImpl.getFilter(FilterHandlerImpl.java:70)
   at com.sap.engine.configtool.scanner.Scanner.scanFilters(Scanner.java:848)
   ... ...
  Caused by: com.sap.engine.frame.core.configuration.ConfigurationException: No such file or directory
   at com.sap.engine.core.configuration.impl.ConfigurationImpl.getFileFromCopy(ConfigurationImpl.java:346)
   ... ...
  Caused by: java.io.IOException: No such file or directory
   at java.io.UnixFileSystem.createFileExclusively(Native Method)
   ... ...
  ----------------------------

• SAP Composition Environment all releases
• SAP NetWeaver 7.3
• SAP enhancement package 1 for SAP NetWeaver 7.3
• SAP NetWeaver 7.4
• SAP NetWeaver 7.5

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