assessment cycle

Hi guys. I need help on how to create assessment cycle step by step. I created a cycle using FAGLGA11 but i keep getting an error message that the sender and receiver doesn't exist. Is there something that I am missing. My goal is to do profit center assessment to transfer costs from one cost center(service) to 8 cost centers (production) and post the costs into one GL account. should the assessment be done in Cost center accounting,Profit center accounting or EC-Profitability analysis in the IMG?

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