What happens if you delete the 'slprj' directory and simulate again?
PS: I received a personal message from you about this question. Please be considerate and avoid sending personal messages to contributors on this forum. All users participate voluntarily, and in their spare time. It is forum etiquette to first search for a solution to your problem on the forum to see if it has been answered before. If you do not find a solution, formulate your problem well and post it as a question on the forum. Be patient and allow time for it to be answered. There are some great tips in these discussions: http://www.mathworks.com/matlabcentral/answers/728-how-do-i-write-a-good-question-for-matlab-answers http://www.mathworks.com/matlabcentral/answers/20313-how-to-get-answers-for-my-unanswered-questions
