Kibana dashboard became inaccessible due to missing secret token in Kibana Service Account in RHOCP4

Issue

• Kibana dashboard became inaccessible with below error while logging in to Kibana:

  {
  "error": "server_error",
  "error_description": "The authorization server encountered an unexpected condition that prevented it from fulfilling the request.",
  "state": "54b677fdca3287224e10a302911c2063:/"
  }