OOTB resource ConstraintDisplayNamesRB.java file not getting compiled

I am using Windchill PDMLink Release 12.1 and Datecode with CPS 12.1.2.11 We are modifying the "ConstraintDisplayNamesRB.java" OOTB file. But the file is not getting compiled with below command. ant -f bin/tools.xml class -Dclass.includes=com/ptc/core/meta/container/common/ConstraintDisplayNamesRB.java -Dclass.force=true Build logs are attached in "Error Message or Warning" section. Here are the errors that I faced svc-dna@awac0307be Windchill]$ ant -f bin/tools.xml class -Dclass.includes=com/ptc/core/meta/container/common/ConstraintDisplayNamesRB.java -Dclass.force=true Buildfile: /app01/ptc/Windchill_12.1/Windchill/bin/tools.xml ******************************************************************************** !+! STARTED @ Fri May 08 08:01:50 UTC 2026 ******************************************************************************** -------------------------------------------------------------------------------- !+! ENTERING WindchillTools[/app01/ptc/Windchill_12.1/Windchill/bin/tools.xml] -------------------------------------------------------------------------------- Overriding previous definition of reference to ant.projectHelper Build sequence for target(s) `class' is [init, class.init, wt_home.check, class.check, class.clean, bundle.force, class] init: class.init: wt_home.check: class.check: class.clean: bundle.force: -------------------------------------------------------------------------------- !+! ENTERING ANTCALL WITHIN WindchillTools[/app01/ptc/Windchill_12.1/Windchill/bin/tools.xml] -------------------------------------------------------------------------------- Overriding previous definition of reference to ant.projectHelper Build sequence for target(s) `bundle' is [init, java.init, AppStarter.init, bundle.includes.convert, bundle.init, wt_home.check, bundle.check, bundle] [antcall] Entering /app01/ptc/Windchill_12.1/Windchill/bin/tools.xml... Build sequence for target(s) `bundle' is [init, java.init, AppStarter.init, bundle.includes.convert, bundle.init, wt_home.check, bundle.check, bundle] init: java.init: AppStarter.init: bundle.includes.convert: bundle.init: wt_home.check: bundle.check: bundle: [java] Update ResourceInfos = false [java] Build ResourceBundles = true [java] Process Locales = en_US,en_GB,es,fr,de,ja,it,ko,ru,zh_CN,zh_TW,pt_BR [java] [java] Execution/Launch Time = 0.049 seconds [antcall] Exiting /app01/ptc/Windchill_12.1/Windchill/bin/tools.xml. -------------------------------------------------------------------------------- !+! EXITING FROM ANTCALL WITHIN WindchillTools[/app01/ptc/Windchill_12.1/Windchill/bin/tools.xml] -------------------------------------------------------------------------------- class: ******************************************************************************** !+! FINISHED @ Fri May 08 08:01:51 UTC 2026 !+! Log: /app01/ptc/Windchill_12.1/Windchill/buildlogs/1114-tools.log [WARNING] There are more than 250 log files in the directory '/app01/ptc/Windchill_12.1/Windchill/buildlogs'. Consider cleaning this directory soon. ******************************************************************************** BUILD SUCCESSFUL Total time: 1 second [svc-dna@awac0307be Windchill]$