If so, you need SAP Universal ID. In a few months, SAP Universal ID will be the only option to login to SAP Community. Without it, you will lose your content and badges. If you have multiple accounts, use the Consolidation Tool to merge your content.
The issue is with the S_P00_0700134 Generic withholding tax report. Two Vendor invoices have been reversed but the reverse is not affected in the report. The report just shows the origninal invoice amounts.