Remove Ref. If tis a reference type either lvalue reference or rvalue reference this is the type to which it refers. The behavior of a program that adds specializations for remove reference is undefined.
Use the ctrl h shortcut in excel and the ctrl cmd for apple users f in google sheets. Obtains the non reference type to which trefers. Highlight the table containing the errors.
This can be done for all errors separately but it is easier and faster to simply press the replace all button.
To check the cell containing the cell simply click on the cell and press f2. Here since you have used an. This will remove any ref excel errors from formulas and thus fix the problem. Otherwise type is t.