2915115 - S/4HC: Error message encountered when extending suppliers to customers.

• System throws error message: Error occurs when calling function module in target system  System error (portion 0000000001, conversion object ******)  The ASSERT condition was violated. (conversion object *******)' when extending a supplier to customer using Customer - extend existing record by new org levels' template.
• Error message occurs during migration when using Customer - extend existing record by new org levels' template.
• "Unable to load data" error occurs when adding Business Partner Role "FLCU00 ("Customer (Fin.Accounting)") to a business partner using the app "Manage Business Partner Master Data".

SAP S/4HANA Cloud Public Edition

S4_PC, migration, file, template, extend, customer, supplier, vendor, record, org, levels, LO-MD-BP, CA-GTF-MIG, Assertion, failed, load, data, manage, master, AP-MD-BP-SYN, account, group , KBA , AP-MD-BF-SYN , Master Data Synchronization , LO-MD-BP , Business Partners , CA-GTF-MIG , SAP S/4HANA Data Migration Cockpit Content , Problem