When you see the below message in the Assignment Profile Synchronization automatic process which states Completed With Errors.
Click on "View Errors" and if you see in the description "Administrator has no valid Email address in system:null"
Learning Management System
The error is seen because there is no email address configured for the admin.
Update the email ID of the admin who should receive these notification in the email address section and click Apply changes.
In the next run you can see that Assignment Profile Synchronization shows as "Succeeded"
Assignment Profile Synchronization Automatic Processes Administrator has no valid Email address in system:null Completed with Errors , KBA , LOD-SF-LMS , SuccessFactors Learning , LOD-SF-LMS-ADM , Admin Tools , Problem