SymptomsAfter you have upgraded Parallels Plesk Panel 10.0.x Virtuozzo template to Parallels Plesk Panel 10.2 with command vzpkg update and stated the initial Plesk configuration, you encountered the following error:
PHP Fatal error: Class kavInterface contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (VirusFilter::available) in /usr/local/psa/admin/plib/modules/kav/kavInterface.php on line 59
CauseKaspersky antivirus package was not properly upgraded.
ResolutionUpgrade Kaspersky antivirus package manually with this command:
# vzpkg install <CT ID> -p psa-kav psa-kav8