Hi SChis,
The first image was actually the Payments tab, not the Totals. And though these screens would show the results of the tax discrepancy, they can't describe the reason why the issue is there in the first place.
Can you let us know how you entered this invoice (manually, imported, restored from archive, etc)? If restored from Archive, is the tax error also on the archived invoice? If you run Update Archive with tax selected, this will fix the Totals tax for archive batches. If entered manually or imported, can you replicate the problem by doing the process again?
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Regards,
Softrak Tech Support