500 Internal Error submitting Employee Expense claim through ESS - Failed to get GSA amount for city

When attempting to submit an Employee Expense claim through Employee Self Service, the user is hitting save on the claim and returning an Internal 500 error

• Certificate

• Employee Self Service

• Employee Expense Claim

• Munis

• Tyler Systems Management

• TSM

• Software as a Service

• SaaS

There is an outdated or not installed certificate on the Application Server

Please create a support case with TSM or TSM SaaS. When creating your support case, please provide the environment that is having this issue and a time to restart GAS services