I am using upgrading installation to update my X3V12P16 VM into P21, there are only X3 folder and SEED folder for demonstration purpose. All components have been installed and validated, new SOLUTION and X3 ENDPOINT has been created and tested successfully. Login with admin and get in sitemap of X3 folder try to click any function in Setup module to get the supervisor installation, system pops an error, the message and screenshot as followed.

Anybody can help on this, thanks!

{
  "origin": "Convergence Server",
  "details": "Open window[TEMPON] failed.Syracuse lang (en-AU) has been found. - Error code : [500]",
  "diagnoses": [
    {
      "severity": "error",
      "sdataCode": "0",
      "stackTrace": "Open window[TEMPON] failed.Syracuse lang (en-AU) has been found.",
      "message": "Stack log"
    }
  ]
}