showing inaccurate fiat on exchange amount

Our fiat amount on Koinly is about $1000 more than what is actually on How can this be reconciled? This is leading also to an inaccurate fiat on exchanges amount.

Any tips on how this can be fixed? Is this inaccuracy also affecting other numbers like total value, cost basis and unrealized gains?

We imported the CSV as well as synchronized API.
Thanks so much for your help! I just want to get an accurate picture of my crypto holdings.