i have this error in command window when i try to add simulink block Timer from SimPowerSystems .
add_block('SimPowerSystems/Extra Library/Control Blocks/Timer',timername,'MakeNameUnique','on')
i tried to search the correct path of the block using "gcb" from library
also i tried load_system ('SimPowerSystems')
but the same error figure out .
any help please !!