The following error is shown while accessing Backup Manager for domain:
PHP Warning: getimagesize(%plesk_dir%admin/htdocs/theme/icons/16/plesk/): failed to open stream: No such file or directory Line: 873 File: "%plesk_dir%"\admin\plib\HTML.php Stack Trace: ....
The issue was considered as internal software issue with ID PPPM-855. The error occurs on the servers with large number of domains only. The issue was completely fixed in Plesk 12 version
There are 2 possible solutions:
display_errorsoption in file
Find and rename backup directory for that domain. By default, backup directory is
%plesk_dir%Backup. The directory for renaming would like following: