C_TS4FI Financial Accounting Practice Question
Exhibit
Error: Account 600000 requires an assignment to a CO object. Message: KI235 Technical Context: Cost Element 600000 is a primary cost element.
Refer to the exhibit. Why is this error occurring during a journal entry posting?
⚠ Common exam trap
Candidates often mistake this for a company code or posting period authorization error, forgetting that primary cost elements strictly mandate a controlling object.
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
✓
A primary cost element requires a valid account assignment object.
The error KI235 signifies that a primary cost element is being posted without a corresponding Cost Object (such as a Cost Center or Internal Order). In SAP S/4HANA, every posting to a primary cost element must be assigned to a Controlling object to ensure profitability and cost analysis. This enforces strict integration between Finance and Controlling, ensuring that financial data is always categorized for analytical purposes.
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 G/L account is not defined as a cost element.
Why it's wrong here
If the account were not a cost element, the system would not trigger the CO object requirement check (KI235). The fact that the error message explicitly references the CO object requirement confirms that the account is already correctly maintained as a primary cost element in the system's configuration.
- ✗
The posting date is outside the open fiscal period.
Why it's wrong here
Period-related errors generate messages like 'Period not open' rather than CO-specific assignment errors. The KI235 message specifically points to the missing assignment of a cost object, not the validity of the accounting period, which would be handled by the FI period control settings in transaction OB52.
- ✓
A primary cost element requires a valid account assignment object.
Why this is correct
Primary cost elements transfer costs from FI to CO. When these accounts are posted, they must be linked to a cost center, internal order, or WBS element to ensure the costs are accurately captured in Controlling, allowing for precise management reporting and performance measurement of the specific business activity.
- ✗
The company code is not assigned to a controlling area.
Why it's wrong here
If the company code were not assigned to a controlling area, the system would prevent the assignment of any cost element entirely. The error specifically demands an assignment, implying that the controlling area is active and expecting cost information to be passed from the general ledger to the controlling module.
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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
This C_TS4FI practice question is part of Courseiva's free SAP certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the C_TS4FI exam.