Notice: Undefined variable in cwp daily backup cron

Hello Experts,

our daily cwp backup cron giving following php notice is it ok or we have to chnage something

is it cause problem in backup generation or not ?

/etc/cron.daily/cwp:

Notice: Undefined variable: UMa3d1gaUhSimVj in /usr/local/cwpsrv/htdocs/resources/admin/include/cron_backup.php(1) : eval()'d code(1) : eval()'d code on line 7

please let us know