Difference between TTWROR and IRR

ISPA.xml (144,7 KB)
xirr ispa.xlsx (9,4 KB)

I have spoted a difference between TWROR calculation in PP and XIRR calculation in Excel. While XIRR gives 32% for the instrument, TWROR in PP gives below 1%. I have attached and example PP file and an Excel file.
Could anyone help me understand why does this difference occurs?

TTWROR and IRR are two different metrics. They are not supposed to be the sameā€¦