Getting error in Time Entry Multiple Detail screen

When I enter supplemental pays, I am getting error:

Munis (prtimatt)

Error on hidden field.  Check the error and screen setup.

System log Id: 759

• Enterprise ERP

• Payroll Processing

• Time Entry Multiple Detail

User missing Position column in Time Entry Multiple Detail view

1. Right click on column headers row under Multi Detail Details section

   1. The row column headers such as Employee, Job Class, Pay, etc

2. Check box for Position

3. Click Accept