C_TS4FI Financial Accounting Practice Question
A financial accountant is posting a vendor invoice in SAP S/4HANA and receives an error: 'Account 123456 is a reconciliation account and cannot be posted to directly.' The accountant needs to post the invoice to the correct reconciliation account. What is the most likely cause of this error?
⚠ Common exam trap
The trap here is assuming that any G/L account can be posted to directly, overlooking the special role of reconciliation accounts in integrating the subledger with the general ledger.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The account is a reconciliation account, which can only be posted indirectly through a subledger.
The error occurs because the account is configured as a reconciliation account in the vendor master record. Reconciliation accounts are automatically updated when postings are made to the subledger, and direct postings are prohibited to ensure that the general ledger remains reconciled with the subledger. To correct the issue, the accountant should post the invoice to a vendor account, which will then update the reconciliation account indirectly.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The account is a secondary cost element, which cannot be used in Financial Accounting postings.
Why it's wrong here
Secondary cost elements are used in Management Accounting and are not typically found in Financial Accounting vendor invoices. The error message specifically mentions a reconciliation account, not a cost element. If a secondary cost element were used, the error would be different, such as 'Account is not a G/L account' or similar.
- ✗
The account is locked for posting due to a period-end closing activity.
Why it's wrong here
If the account were locked for posting, the error message would typically state that the account is locked or that the posting period is closed. The specific error about reconciliation account indicates a configuration setting, not a lock. A lock would usually be temporary and related to period control.
- ✓
The account is a reconciliation account, which can only be posted indirectly through a subledger.
Why this is correct
Reconciliation accounts are designed to be posted indirectly via the subledger (such as Accounts Payable or Accounts Receivable). Direct posting is blocked to maintain reconciliation between the general ledger and subledger. The error message clearly indicates that the account is a reconciliation account, so the accountant must post the invoice using a vendor line item, which will automatically update the reconciliation account.
- ✗
The reconciliation account is marked as a 'line item display' account, which prevents direct posting.
Why it's wrong here
Line item display is a setting that allows individual line items to be displayed for an account. It does not prevent direct posting; in fact, reconciliation accounts typically have line item display activated. The error occurs because the account is a reconciliation account, not because of line item display.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official SAP exam blueprint
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