Getting error "Failed to get Flexera License Manager. Flexera throw an error" in Windchill PDMLink

• Getting error "Failed to get Flexera License Manager. Flexera throw an error"
• PTC Solution Installer (PSI) failed with an error "Loader Failed" due to Method Sever can not get ready 
• Method server failing with error:

INFO  [main] wt.system.out  - Expecting an absolute path of the library: FlxCore64.dll
ERROR [main] wt.licenseusage.licensing.FlexeraLicenseManager  - Failed to get Flexera License Manager. Flexera throw an error :  Licensing error: Message ID: 0, Session ID: 0, Error ID: 6, Tamper detected: IHRfX0g3MkFlOTFnOFhxcmRLVHhJUjFxcVdsdkkgIGZhbHNlIHsgWyJ0X19KeVZBTVE3VTdMT1JYUnZydW1BZjFVeHRlU0UiXSA9IHRydWUsWyJ0X18wVWNqUWJlejRXQWJ0d0tsQXBTRnZ6enRlZyJdID0gcHJTUWk3eWc4SjdJMkxWNFlJdUNScm9yUlRZLFsidmlzdWFsX3N0dWRpbyJdID0gdHJ1ZSx9IA== . 
2023-06-28 15:43:03,823 FATAL [main] wt.method.server  - MethodServerMain abort java.lang.NullPointerException
at wt.licenseusage.licensing.LicenseController.populateOldLicenseEntitlement(LicenseController.java:1487)
at wt.licenseusage.licensing.LicenseController.acquireLicenseFeatures(LicenseController.java:291)
at wt.licenseusage.licensing.LicenseController.startLicenseController(LicenseController.java:226)
at wt.licenseusage.licensing.StandardLicenseManagerService.performStartupProcess(StandardLicenseManagerService.java:164)
at wt.services.StandardManager.startup(StandardManager.java:459)
at wt.services.ManagerImplementation.startup(ManagerImplementation.java:363)
at wt.services.DefaultStartupHandler.startup(DefaultStartupHandler.java:112)
at wt.services.StandardManagerService.performStartupProcess(StandardManagerService.java:167)
at wt.services.StandardManager.startup(StandardManager.java:459)
at wt.services.StandardServicesHandler.start(StandardServicesHandler.java:44)
at wt.method.MethodServerMain.run(MethodServerMain.java:584)
at wt.method.MethodServerMain.main(MethodServerMain.java:353)
 
FATAL [main] wt.method.server.shutdown  - Stopping services...
INFO  [main] wt.method.server.shutdown.services  - All managers shut down.
FATAL [main] wt.method.server.shutdown  - MethodServer stopped