How To Fix IU056 - <<< & candidates were deleted because of key field changes

IU056 - Overview

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 056

• Message text: <<< & candidates were deleted because of key field changes

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IU056 - <<< & candidates were deleted because of key field changes ?

  The SAP error message IU056 indicates that certain candidates were deleted due to changes in key fields. This typically occurs in the context of SAP's Integrated Business Planning (IBP) or other modules where data integrity is crucial, and changes to key fields can affect the relationships and validity of the data.
  
  Cause:
  
  Key Field Changes: The error arises when there are modifications to key fields (like IDs or primary keys) that are essential for identifying records. If these fields are altered, the system may determine that the existing records are no longer valid or relevant.
  Data Consistency: SAP enforces data consistency rules, and if a key field change leads to inconsistencies, the system may automatically delete the affected records to maintain integrity.
  Data Uploads or Migrations: This can also happen during data uploads or migrations where the incoming data has different key field values than those already present in the system.
  
  
  Solution:
  
  Review Key Field Changes: