Using slc1 & sda1 for Seeed base shield v2 on Due [SOLVED]

I’ve been using the Base shield on uno, but when I used it on my Due that defaults the slc and sda to pin 20 and 21, the shield’s i2c port doesn’t seem to work

Im trying to make Adafruit SI1145 to work, and I can’t seem to make it work using the base shield if the due routes slc/sda to pin 20 and 21 instead of slc1 and sda1

Can someone help me?

SOLVED
referencing the sample in for the library changing uv.begin() to uv.begin(&Wire1)

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