SAP Message 5D634 - Occupational status contradicts SI contribution group key & & & &

Diagnosis
The 'occupational status' entry is validated with the SI contributiongroup key (created from the indicators HI, PI, UI and NI). For example,you cannot enter 1 (= hourly paid) in the occupational status field if2 (= salaried employee) has been entered as the PI contribution groupkey.

Procedure
Use a valid value for 'occupational status'.