after running :

rosrun clampickplace simplepickplace

[ INFO] [1391011770.813809480]: Loading robot model 'clam'...
[ INFO] [1391011772.298122877]: Publishing maintained planning scene on 'dave_planning_scene'
[ INFO] [1391011773.412215993]: Loading robot model 'clam'...
[ INFO] [1391011774.576215869]: Ready to take MoveGroup commands for group arm.
[ INFO] [1391011780.577501179]: Published collision object
[ WARN] [1391011780.577622457]: picking block Block1                    
[ INFO] [1391011780.591691470]: Generated 408 grasps.                                   
[ WARN] [1391011788.246606881]: Fail: ABORTED: Solution found but controller failed during execution                      
[ERROR] [1391011788.248237584]: Pick failed. Retrying.

has anyone else met with this error. what is the solution?

i am running in simulation, following the instructions on the high level controls page.

i used :

sudo clear

roslaunch clam_bringup lowlevel.launch

roslaunch clambringup lowlevelsimulator.launch

roslaunch clammoveitconfig move_group.launch

roslaunch clammoveitconfig moveit_rviz.launch

rosrun clampickplace simplepickplace