3275637 - Saving data under Manage data getting error after a parent-child MDF portlet creation - BatchUpdateExceptionSapDB

• Parent - Child MDF portlet throwing application ERROR when saving data under Manage data 
• Error thrown on the frontend: Please try again later, or notify support with the error information of errorID=96cae4b6-18b8-4fd9-bc06-02ef769880ba
• Error thrown on application logs: Caused by: com.sap.db.jdbc.exceptions.BatchUpdateExceptionSapDB: SAP DBTech JDBC: [287]: cannot insert NULL or update to NULL: Not nullable "EXTERNAL_CODE_UPPER" column(input position -1) 

sf, sfsf , sf sf, SuccessFactors, SuccessFactor, Success, Factor, bizx, INC2658652, externalCode, visible, required, not visible, child, parent MDF, object definition, manage data, 96cae4b6-18b8-4fd9-bc06-02ef769880ba, Caused by: com.sap.db.jdbc.exceptions.BatchUpdateExceptionSapDB: SAP DBTech JDBC: [287]: cannot insert NULL or update to NULL: Not nullable "EXTERNAL_CODE_UPPER" column(input position -1) 
, KBA , LOD-SF-MDF-MGD , Manage Data - Create, Update & Delete , LOD-SF-MDF , Metadata Framework , LOD-SF-MDF-OBJ , Object Definition & Field Related Issues , Problem