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Ask the person that wrote the code why that code is there and if it is needed, where to get the definition for the class.

Where is the definition for the class: StorageAppEntry? The compiler can not find the class's definition.

That seems a very clear message. You need to tell the compiler the size of the array you are trying to create.

Please copy and paste here the full text of the error messages.

You need to tell the compiler the size of the array you are trying to create.