A candidate is already on the first step of ONB, and an information is cleaned from the offer letter, This blank value is not being sent to Onboarding.
SAP SuccessFactors Onboarding 1.0 - All Versions
This is and actual behavior of the system.
The system does not set a blank value to Onboarding from the offer letter
blank ; offer ; letter ; update , KBA , LOD-SF-OBD-INT , Integrations with Onboarding , Problem