Using GETPIVOTDATA with pivot field sums

I am currently updating a summary sheet that uses data linked to pivot tables. I just ran into an issue as I have used the sum function within the pivot table to provide the sums of each set of data (BUDG, BASE) contained within a single pivot field (BUDTYPE). When trying to link to the total excel returns the following formula:

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This produces a #REF error and would like to find out it anyone out there knows of a work around?? I am only trying to pull the "BUDG" total.