Codegen requires that every element of the cell array returned from function be assigned a value before being passed into function

Codegen requires that every element of the cell array returned from function be assigned a value before being passed into function .Check assignments to element(s):

Codegen requires that every cell-array element contained in be assigned a value before being passed into Check assignments to element(s):

Codegen requires that every cell-array element contained in
be assigned a value before being passed into

Codegen requires that every element, of all cell-array argument(s) to function , be assigned a value before being passed in.