No system load data available in st03

Dear Guru,

When i am executing Tcode ST03 it is showing that "No system load data available"

when i am executing "RSSTAT83" report then its thriwing "LOGDB_SSCR_NOT_FOUND" dump.

statndard job getting cancelled thats why i hae change the status of all standard btc jobs.

but system is still too much slow. Right now there is no job running.my patch level is also 14 of both abap & basis.

What to do......