ProductsOptionsValues: export - PHP Warning: Undefined array key "export_where_clause"

[torvista]

php 8.5.1, strict reporting, strict mode in both files

Request URI: /ADMIN/index.php?cmd=dbio_manager&action=export, IP address: ::1, Language id 1
#0 WEB\ADMIN\includes\classes\dbio\DbIoHandler.php(1131): zen_debug_error_handler()
#1 WEB\ADMIN\includes\classes\dbio\DbIoHandler.php(470): DbIoHandler->exportInitializeAll()
#2 WEB\ADMIN\includes\classes\dbio\DbIo.php(172): DbIoHandler->exportInitialize()
#3 WEB\ADMIN\dbio_manager.php(158): DbIo->dbioExport()
#4 WEB\ADMIN\index.php(16): require('WEB...')
--> PHP Warning: Undefined array key "export_where_clause" in WEB\ADMIN\includes\classes\dbio\DbIoHandler.php on line 1131.

[lat9]

This is an issue for the handler in use at the time of the logged warning; which one was active?

Update: Never mind, you'd identified that in the issue's subject.