[Wien] what can be a reason of the error

[Bohdan Andriyevsky]

Dear WIEN2k users,
What can be a reason of the following error obtained with test
case=TiO2?

The dayfile is the following:
Calculating TiO2 in /root/lapw/TiO2
on bandri-praca with PID 25474
    start 	(sob sie 27 10:46:32 CEST 2005) with lapw0 (20/20 to go)
    cycle 1 	(sob sie 27 10:46:32 CEST 2005) 	(20/20 to go)
>   lapw0 	(10:46:32) 17.530u 0.340s 0:18.45 96.8%	0+0k 0+0io 289pf+0w
>   lapw1   	(10:46:51) 239.250u 1.300s 4:19.78 92.5%	0+0k 0+0io 431pf+0w
>   lapw2 	(10:51:10) 12.940u 0.600s 0:14.86 91.1%	0+0k 0+0io 364pf+0w
>   stop error

The dayfile is the following:
The STDOUT is the following:
LAPW0 END
LAPW1 END
L2main - QTL-B Error

Thanks in advance for yours replies.
B.Andriyevsky