Payment Accounting Entry Split Problem

Summary

Payment accounting entry has two liability lines.

Content (please ensure you mask any confidential information):

When AP invoice is accounted, two liability lines are created.
I thought this happened because the invoice had been placed on a distribution variance hold, which was manually released after replacing distribution amounts, but invoice's distribution variance was still regarded as liability.

I created accounting entries for payment transaction by using AP invoice above, there was liability line on credit side with the amount of 2,100.
I'm not sure what 2,100 JPY refers to and why liability line is created on the third line.

Version (include the version you are using, if applicable):