I am getting the error "TypeError(ufunc 'invert' not supported for the input types, and the inputs could not be safely coerced to any supported types according to the casting rule ''safe'')" and context_recall as 0

I am getting the error "TypeError(ufunc 'invert' not supported for the input types, and the inputs could not be safely coerced to any supported types according to the casting rule ''safe'')" and context_recall as 0 #4848