ST03 +NO system load data available

Hi Team,

I have installed erp 6.0 ehp6 system, scheduled all standard jobs through 000 ddic client.

While I ma trying run sto3 its showing message (Nos ystem load data available)

SAP_COLLECTOR_FOR_JOBSTATISTIC

SAP_COLLECTOR_FOR_NONE_R3_STAT

SAP_COLLECTOR_FOR_PERFMONITOR  jobs are running properly completed successfully

Job Log:

Date       Time     Message text                                                Message class Message no. Message type

19.06.2013 01:55:20 Job started                                                      00           516          S

19.06.2013 01:55:20 Step 001 started (program RSCOLL00, variant , user ID DDIC)      00           550          S

19.06.2013 01:55:21 Job finished                                                     00           517          S

Any one suggest me how resolve the issue.

Thanks