There might be some data discrepancy if you did not link pass Last Year Accounting correctly when you generate SST reports. Please setup as below to avoid the occurrence. For example, if you are in the Year 2023:
Open Setup, General Setup, in Last Year Accounting.
Point directory to DATA2022.
After Year End Process is complete or check that this pointing correctly to the data.
When knock-off is done on payment to match invoices, make sure the data is linked as it might need to confirm that the transactions are consistent before and after year end processing.