After 3 errors it finally said job was done, but zip file was not complete. Zip file was too small and it had incomplete error when opened...
2015/04/20 22:05.24: 1. try for make list of files to backup....
2015/04/20 22:05.26: 3817 files with 329.84 MB to backup
2015/04/20 22:05.26: 1. try to create backup zip (PclZip) archive...
2015/04/20 22:21.37: [ERROR] Job restarted, because inactivity!
2015/04/20 22:21.37: 2. try to create backup zip (PclZip) archive...
2015/04/20 22:49.26: [ERROR] Job restarted, because inactivity!
2015/04/20 22:49.27: 3. try to create backup zip (PclZip) archive...
2015/04/20 23:05.51: [ERROR] Job restarted, because inactivity!
2015/04/20 23:05.52: Job done in 3633 sec.
This looks like timing issues all over the place.