Manager Details not Available for Non workers loaded using HDL

Summary:

Hi Team

Our customer is using Position Management and we have loaded Non Workers using HDL . Load got processed successfully and Positions also tagged to users successfully . But Manager detail are not populated . It shows blank . We have ran process Position synchronization and refresh manager hierarchy , but still Manager details are not populated . But when we click on edit and correct on a Non worker record loaded using HDL from person management screen we see Manager details are populated correctly

Can anyone help with information like are there any Ess Jobs or any diagnostic report needs to be run to correct this issue