Symptoms
Such error can appear if we customer tries to cancel the issued subscription, cancellation order will fail:
Object does not exists in system: object name - "null"; object type - "null"; object owner - "undetermined"; object owner type - "undetermined"
Error ID: 1401934920851
in poa.debug.log
Jun 5 13:01:44 mn : DBG [UI:325469e8:1401937304904 1:11322:f27e3b90 Kernel]: STMT [Con: 12744, 0xee5eda98 txn:2311304] ' SELECT logfile_id, todo, todo_status, dir_path, mask_type, file_mask, scheduled_task_id FROM logfiles WHERE service_id = ? AND dir_path = ? AND mask_type = ? AND file_mask = ?'($0 = 55, $1 = '/var/www/vhosts/2/100933/log', $2 = 'x', $3 = 'xferlog')
Jun 5 13:01:44 mn : DBG [UI:325469e8:1401937304904 1:11681:f40feb90 lib]: [txn:2311304 proclog::Service_impl::findFile] {module_id="LogManager"; code="1"} '/var/www/vhosts/2/100933/log/xferlog': There is no such logfile registered on the service 55
The same errors and log output can be observed in attempt to create FTP user.
Cause
A record for 'xferlog' log belong to such webspace is missing in POA database:
plesk=> select * from logfiles where dir_path like '%100933%';
logfile_id | service_id | dir_path | mask_type | file_mask | fmt | native_format_preamble | ascn_key | todo | todo_status | scheduled_task_id | case_sens
------------+------------+----------+-----------+-----------+-----+------------------------+----------+------+-------------+-------------------+-----------
(0 rows)
Such behavior was confirmed as software-related issue POA-79824.
Resolution
Contact Odin Technical Support.