Cannot access Backup Manager: Unable to get dump list

Symptoms

1. Plesk Backup Manager stopped working:

PLESK_ERROR: Unable to get dump list: FTP dump file does not exists

2. The following error occurs if get dump list from command line:

# /usr/local/psa/admin/bin/pmm-ras --get-dump-list --dump-storage=/var/lib/psa/dumps/ /usr/local/psa/admin/bin/pmm-ras: symbol lookup error: /usr/local/psa/admin/bin/pmm-ras: undefined symbol: _ZN7log4cpp8Category11getInstanceERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE r

3. During statistic generation following error accrued:

# plesk sbin statistics --calculate-one --generate-domain-webstat --domain-name example.com 
WARNING during statistics_collector execution: : /opt/psa/admin/bin/pmm-ras: symbol lookup error: /opt/psa/admin/bin/pmm-ras: undefined symbol: _ZN7log4cpp8Category11getInstanceERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE 
statistics_collector[31531]: Unable to get domain 'example.com' dump size: unable to execute pmm-ras utility

Cause

Corrupted package.

Resolution

1. Connect to the server via SSH

2. Upload and reinstall corrupted package from Plesk repository. For example Plesk Onyx 17.5, Centos 7:

# wget http://autoinstall.plesk.com/PSA_17.5.3/dist-rpm-CentOS-7-x86_64/contrib/log4cpp-plesk-0.3.5rc2.1-centos7.17031414.x86_64.rpm

# rpm -Uvh log4cpp-plesk-0.3.5rc2.1-centos7.17031414.x86_64.rpm