Getting error while changing the working hours of an employee.

Summary:

"Couldn't change the assignment.

You must enter a valid value for the GradeStepId field."

Getting this error while changing the working hours of an employee. We are trying to do this as a Line Manager and we are using Redwood Pages.

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

24A

Code Snippet (add any code snippets that support your topic, if applicable):