C_ARSUM Ariba Supplier Management Practice Question
Exhibit
log_error: "Validation failed for field: Tax_ID_Number. Duplicate value detected in record: 55432."
Refer to the exhibit. What is the most likely cause of this error during the supplier registration update?
⚠ Common exam trap
Candidates often mistake this validation error for a network timeout or general server glitch, assuming it's a technical failure rather than a data integrity rule preventing duplicate entries.
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 supplier is already registered with that Tax ID.
This error occurs because the 'Tax_ID_Number' field is configured as a unique identifier across the system. The system detects that the input value already exists for another registered supplier. This constraint is vital for data integrity, as it prevents the creation of duplicate supplier records in the database, which would otherwise complicate financial reporting, tax compliance, and vendor management efforts within the enterprise procurement system.
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 supplier is already registered with that Tax ID.
Why this is correct
The system enforces uniqueness on Tax IDs to prevent duplicate supplier profiles. Since the error indicates a duplicate value detected, it confirms that a record with that specific Tax ID already exists, blocking the registration update to maintain the integrity of the master supplier database records.
- ✗
The Tax ID format is incorrect.
Why it's wrong here
The error specifically mentions 'Duplicate value', not format validation failure. If the format were the issue, the system would typically return a validation error related to the mask or regex pattern, not a message explicitly highlighting the existence of a duplicate value in the system database.
- ✗
The server connection was lost during the update.
Why it's wrong here
A server timeout or connection loss would result in a connection error message, not a data validation error. The error message explicitly points to a field-level conflict, which proves the server processed the data successfully enough to perform a uniqueness check against the existing database records.
- ✗
The user does not have permissions to update the field.
Why it's wrong here
Insufficient permissions would result in an 'Access Denied' or 'Unauthorized' error message. The provided log clearly indicates that the validation logic was executed and failed on the field value itself, which is independent of the user's current permissions or access level to the supplier object.
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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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