Error using Control and estimation tools menager with matlabpool

Hello,

I use Control and Estimation Tools Manager to estimate parameters form my model. I want to use matlabpool to accelerate calculations. I starting labs usining matlabpool commands. Then i configure Control and Estimation Tools Manager to use matlabpool. When i start estimation I have this error :

"The parameter "Jtr" must be a variable that exists in the base or the model worksapce."

I have This variable in workspace.

Does anyone know how to solve this problem?

Regards, Mariusz