DUPREC:&1

What causes this issue?

Transfer table would produce a duplicate record in CDPOS/CDPOS_UID
When the generated update module XXXX_WRITE_DOCUMENT was called,
multiple identical table rows were passed in a transfer table.
If these items are written to CDPOS/CDPOS_UID, the termination
SAPSQL_ARRAY_INSERTDUPREC occurs.
The OBJECTCLAS and OBJECTID of the change document object (possibly
truncated) that is to be written are produced.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

System terminates
The system terminates.

How to fix this error?

If you were working in dialog mode:
An error message is displayed.
If you were working in dialog mode:
An express message is received:
The express document "Update terminated" by author "XXXXX YYYY" is
received.
You can view the terminated update in the update overview (SM13).
Display the error message by double-clicking the relevant lines.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.