3623630 - [C4C-FSM Integration] Contact cannot be replicated due to "duplicate key value violates unique constraint 'contact_unique_externalid'" error

• When a new contact is created for an existing business partner, resulting in an error state indicating that the contact already exists in FSM.
• Error message: "duplicate key value violates unique constraint 'contact_unique_externalid'".
• The contact exists in FSM but lacks complete information.
• Resending the business partner resolves the issue without further messages.
• Multiple requests of type "BusinessPartnerReplicationSelfInitiatedOut" occur during replication, sometimes passing and sometimes failing.
  
  "Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental." 

• SAP Field Service Management (FSM)
• Cloud for Customer (C4C)
• Cloud Platform Integration (CPI)

business partner integration, FSM C4C integration, BusinessPartnerReplicationSelfInitiatedOut, duplicate key value violates unique constraint 'contact_unique_externalid, delay parameter , KBA , CEC-SRV-FSM-C4C , FSM C4C Integration , CEC-SRV-FSM , Field Service Management , Known Error