Resolved bug impossible with panel (Plesk to go to the backup manager page for one website ?

[grigri]

my config is :
Plesk web pro edition 12.5.3
CentOs

MY PROBLEM :
i have several subscriptions, the panel backup manager work fine with all of my website except one impossible to show the page backup manager, the page don't finish to download or i have a 502 Bad Gateway
https://XXXXXXX:8443/smb/backup/list/domainId/1
= bug :-(

this 2 urls works
https://51.254.212.158:8443/smb/backup/ftp-settings/domainId/1
https://51.254.212.158:8443/smb/backup/schedule/domainId/1
= works !

LOG :
/var/log/plesk/panel.log
i have this error :
ERR [panel] [xxxxxxxxx] Result of interface implementation call: failure: Method arguments cannot be decoded

BACKUPS :
/var/lib/psa/dumps/domains/xxxxxx
/var/lib/psa/dumps/domains/yyyyy
/var/lib/psa/dumps/domains/zzzzz
contains backups files with correct permission chown and chmod

backup manager page work fine for yyyyy and zzzzzz but not with xxxxxx website !

COMMAND :
i do
# /etc/init.d/psa restart
# rm -rf /var/lock/lmlib/container_locks
# rm -f /usr/local/psa/var/cache/*
# service sw-engine restart
# plesk repair fs -y -v
# service mysqld restart
#service httpd restart
# reboot

but no changes :-(
all seems ok but i can't access the backup manager to manage my backups from the panel !!!!
help !!!

 

[grigri]

i find the solution myself :

# rm -rf /usr/local/psa/PMM/rsessions/*
# rm -rf /usr/local/psa/PMM/sessions/*

resolve the issue !