A posting rejection is usually a period-control issue, not a document-date mistake. The journal entry date is the document issue date, while the posting date determines the posting period that the system checks. The posting period variant, not the fiscal year variant, opens and closes periods for the header and for each account type.
SAP S/4HANA / posting date / document date / posting period variant / fiscal year variant / period control / authorization / FI document
An explanation of how SAP S/4HANA links Financial Accounting (FI) and Management Accounting (CO) through organizational objects.
enterprise
Understand financial reporting, internal cost allocation and their connection in S/4HANA.
SAP / FI / CO / S/4HANA
A practical order for comparing SAP reports: organizational scope, ledger, fiscal period, currency and line-item detail.
SAP / Universal Journal / Reporting