i dont receive any more work for GPU

i do not receive any more GPU unit

in the log journal :

2013-08-01 14:37:45 | Einstein@Home | Requesting new tasks for NVIDIA
2013-08-01 14:37:48 | Einstein@Home | Scheduler request completed: got 0 new tasks
2013-08-01 14:37:48 | Einstein@Home | No work sent
2013-08-01 14:37:48 | Einstein@Home | see scheduler log messages on http://einstein.phys.uwm.edu//host_sched_logs/7110/7110619

The log message :

2013-08-01 18:37:54.3604 [PID=1258] Request: [USER#xxxxx] [HOST#7110619] [IP xxx.xxx.xxx.13] client 7.0.64
2013-08-01 18:37:54.3652 [PID=1258 ] [send] effective_ncpus 8 max_jobs_on_host_cpu 999999 max_jobs_on_host 999999
2013-08-01 18:37:54.3652 [PID=1258 ] [send] effective_ngpus 1 max_jobs_on_host_gpu 999999
2013-08-01 18:37:54.3653 [PID=1258 ] [send] Not using matchmaker scheduling; Not using EDF sim
2013-08-01 18:37:54.3653 [PID=1258 ] [send] CPU: req 0.00 sec, 0.00 instances; est delay 0.00
2013-08-01 18:37:54.3653 [PID=1258 ] [send] CUDA: req 86580.00 sec, 1.00 instances; est delay 0.00
2013-08-01 18:37:54.3653 [PID=1258 ] [send] work_req_seconds: 0.00 secs
2013-08-01 18:37:54.3653 [PID=1258 ] [send] available disk 48.37 GB, work_buf_min 0
2013-08-01 18:37:54.3653 [PID=1258 ] [send] active_frac 0.859706 on_frac 0.480273 DCF 1.666995
2013-08-01 18:37:54.3669 [PID=1258 ] [send] [HOST#7110619] is reliable
2013-08-01 18:37:54.3669 [PID=1258 ] [send] set_trust: random choice for error rate 0.000194: yes
2013-08-01 18:37:54.3669 [PID=1258 ] [mixed] sending locality work first (0.0243)
2013-08-01 18:37:54.4467 [PID=1258 ] [version] Checking plan class 'SSE2'
2013-08-01 18:37:54.4474 [PID=1258 ] [version] reading plan classes from file '/BOINC/projects/EinsteinAtHome/plan_class_spec.xml'
2013-08-01 18:37:54.4474 [PID=1258 ] [version] plan class ok
2013-08-01 18:37:54.4474 [PID=1258 ] [version] Don't need CPU jobs, skipping version 105 for einstein_S6CasA (SSE2)
2013-08-01 18:37:54.4475 [PID=1258 ] [version] no app version available: APP#24 (einstein_S6CasA) PLATFORM#2 (windows_intelx86) min_version 0
2013-08-01 18:37:54.4479 [PID=1258 ] [mixed] sending non-locality work second
2013-08-01 18:37:54.4601 [PID=1258 ] [version] Don't need CPU jobs, skipping version 110 for hsgamma_FGRP2 ()
2013-08-01 18:37:54.4602 [PID=1258 ] [version] no app version available: APP#21 (hsgamma_FGRP2) PLATFORM#2 (windows_intelx86) min_version 0
2013-08-01 18:37:54.4602 [PID=1258 ] [version] Checking plan class 'BRP4SSE'
2013-08-01 18:37:54.4603 [PID=1258 ] [version] plan class ok
2013-08-01 18:37:54.4603 [PID=1258 ] [version] Don't need CPU jobs, skipping version 133 for einsteinbinary_BRP4 (BRP4SSE)
2013-08-01 18:37:54.4603 [PID=1258 ] [version] no app version available: APP#19 (einsteinbinary_BRP4) PLATFORM#2 (windows_intelx86) min_version 0
2013-08-01 18:37:54.4657 [PID=1258 ] [debug] [HOST#7110619] MSG(high) No work sent
2013-08-01 18:37:54.4657 [PID=1258 ] [debug] [HOST#7110619] MSG(high) see scheduler log messages on http://einstein.phys.uwm.edu//host_sched_logs/7110/7110619
2013-08-01 18:37:54.4657 [PID=1258 ] Sending reply to [HOST#7110619]: 0 results, delay req 60.00
2013-08-01 18:37:54.4660 [PID=1258 ] Scheduler ran 0.112 seconds

Thanking you in advance for your help .

jeanguy