DImension Pro 1.5 installed and working with stand alone.Not in Sonar

failed to insert vst ,,,,,, my other synths all work.
 
I just intalled DP 1.5 ,,,,, the stand alone works and makes sound.  Inside Sonar Dpro when I try to insert synth doesnt work gives error ,,,,,,, cannot load vst,, failed to load vst plugin something like that....
 
 
What can I do now ?
FYI I use Sonar Platinum 09 update.