3516202 - Application error while submitting PDC after enabling Centralized Services for Onboarding Pages switch - Onboarding

Candidates see application error while submitting Personal Data Collection task after enabling Centralized Services for Onboarding Pages switch:

An application error occurred. Please try again later, or notify support (with the error information of errorId=xxxx, timestamp=xxxx, and the version information from the current screen) if the issue keeps occurring.

SAP SuccessFactors Onboarding

1. Admin Center > Onboarding General Settings
2. Enable Centralized Services for Onboarding Pages switch 
3. Initiate onboarding for candidate
4. Proceed until PDC step
5. Log in as candidate
6. Open PDC task and proceed until submit
7. See application error

Configuration issue of custom MDF object:

• (For SAP Support only) Backend log: [][]Found multiple internal codes for same external code
  (check internal memo for detailed logs)

Step 1: Ensure the custom MDF object is not added to section one in the Hire Template

1. Go to Admin Center > Manage Data > Hire Template
2. Search the Hire Template used in PDC step
3. Ensure the custom MDF object is not added to section one in the Hire Template

Step 2: Remove the "externalCode" field in the configuration UI

1. Go to Admin Center > Manage Configuration UI
2. Open configuration UI for the custom MDF object
3. Remove the "externalCode" field and save

• 3479285 - [Onboarding] – Custom MDF object fields are empty/not populated if checked via Onboarding dashboard > Action > New Hire Data - SAP for Me
• 3458336 - Application error while submitting PDC after restarting - Onboarding - SAP for Me

SAP, SuccessFactors, Onboarding, application error, PDC, Centralized Services for Onboarding Pages, custom MDF object, hire template , KBA , LOD-SF-OBX-PDC , Personal Data Collection , Problem