3048952 - Error while updating the SAP Customer Checkout

You are trying to update the SAP Customer Checkout to a newer version, however, the process is not completed.

In the log files, during the Update20SP08_3_4, an error is raised:

The statement was aborted because it would have caused a duplicate key value in a unique or primary key constraint or unique index identified by 'UNQ_IDX_BUSINESSPARTNER_EXTERNALID' defined on 'BUSINESSPARTNER'.
Error Code: 20000
Call: CREATE UNIQUE INDEX UNQ_IDX_BUSINESSPARTNER_EXTERNALID ON BUSINESSPARTNER (EXTERNALID)

SAP Customer Checkout

UNQ_IDX_BUSINESSPARTNER_EXTERNALID, customer, duplicate, update, database, Update20SP08_3_4 , KBA , IS-SE-CCO , Customer Checkout , Problem