Error in Upgrade-Could not download R3trans and Tp

i am in the process of upgrading the NW04 system to NW2004s

But while upgrading i am getting the follwoing error.

I dont know where to download r3trans and tp. I even searched for this word

Please help

ERROR: The upgrade needs a patched version of R3trans which is

build on 21.06.06 or later.

The R3trans in your active SAP kernel is either older or

the version could not be determined. Call it without

any option to determine the build date.

ERROR: The upgrade needs a patched version of tp with version

number 340.16.05 or higher.

The tp in your active SAP kernel is either older or the

version could not be determined. Call it without any option

to determine the version.