Dynamic View- using multiple contact columns to restrict access

I have a dynamic view that used to give access based on two columns (if you were in the Contact or Back Up Contact - you could see that row). 

On Tuesday this functionality was no longer working (the page would not load for anyone) and I went in to fix it and had to select the restriction just on one contact column- I cannot select two. When I google this, it appears that this has been the functionality all along. 

Does anyone know if something changed, or a work around for this?

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