TSR Integration>Stage>Server error is displaying while managing employee added through API

Env - Stage
Company - TSR Onboard

1] Add employee through API.
2] Login to the application search newly added employee, click on it name.

Actual Result:
Server error is displaying on employee's home page.
Expected Result:
Server error should not be display.
Refer attached screenshot and error log.

cc: Saurabh Sablaka, Prasad Pise