3690711 - Error "ElmsCreateException in updateUserPreferences()" occurs when updating user custom fields via Learning API

The error occurs when trying to update custom fields for certain users using Learning API calls. 

Error Code:

500 Internal Server Error

"error":{

"code": null,

"message": "ElmsCreateException in updateUserPreferences()"

SAP SuccessFactors Learning.

Web Services OData. 

LMS API error, ElmsCreateException, updateUserPreferences, custom fields, user preferences, locale settings, database mismatch, troubleshooting steps, SAP Learning API, LMS UI preferences, PA_USER_PREFERENCE table, PA_USER_PREFERENCE_DTE_PATTERN table, error resolution, user preference update, API error handling, database validation.  , KBA , LOD-SF-LMS-ODA , Web Services OData , Problem