No Pay Structure is attached to your login role issue are listed in two ways:-

1)When new Unit is created

2)When we attach role to any Employee's ID.

To resolve this issue, login as a SYSADMIN role 

Go to Configuration --> Security --> Role Attachment --> Select Role from the list --.>

Provide employee id -->Click on "Edit"--> below attached screen appears 

then select Available Pay structure and click on ">" symbol -->click on "save".

Please refer screenshot.