Symptom
When trying to post supplier invoices, error F5439 "G/L Account must be marked as ready for input" occurs.
Environment
SAP S/4HANA Cloud Public Edition.
Cause
A reconciliation account is entered when creating invoices, it needs to be set as "reconciliation account is ready for input".
Resolution
In app Manage G/L Account Master Data, set "Rec.Act Ready" for account.
In case the indicator "Rec.Act Ready" is not visible, try to create a account group with field "Reconcil.acct ready for input" optional and assign to account in error, then "Rec.Act Ready" should be ready for selection.
Keywords
F5439, reconciliation account, "G/L Account must be marked as ready for input", Manage G/L Account Master Data, recc account, Rec.Act, Reconcil.acct , KBA , FI-GL-GL-N-2CL , Master Data (Public Cloud) , Problem
SAP Knowledge Base Article - Public