I have a simple model with a Fuzzy Logic Controller block. I unchecked the option "Conditional input branch execution" in Configuration Parameters and one of my inputs lies outside of the membership definitions. The de-fuzzification block inside the fuzzy logic controller will give the following warning:
Warning: Division by zero in 'div_by_zero/Fuzzy Logic Controller/FIS Wizard/Defuzzification1/Averaging(COA)'.
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