Error occurred while inserting data into DB table ERDB in client &1

What causes this issue?

While adding new records to table ERDB, you attempted to insert a
database record that does not exist with the key specified.

System Response

The error is logged and processing is continued.

How to fix this error?

Before production operation is started again, determine why the
database record could not be inserted.

Error message extract from SAP system. Copyright SAP SE.