How To Fix KZ521 - Data missing or inconsistent

KZ521 - Overview

• Message type: E = Error

• Message class: KZ - Cost Object Repetitive Mfg / Process Mfg

• Message number: 521

• Message text: Data missing or inconsistent

What causes this issue?

The system has checked the deletion of CO transaction data in
controlling area &V1&. From the errors listed below, the
check found that error &V2& has occurred.
(1) The controlling area does not contain any CO transaction data.
(2) CO transaction data exists, but the company codes are not
assigned to a controlling area.
(3) Data from assigned, productive company codes exists in the
controlling area.
(4) Data from unassigned productive company codes exists in the
controlling area.
(5) Data from assigned productive company codes has been transferred to
at least one other controlling area.
(6) the controlling area does not exist.
Errors (2) - (5) are caused by discrepancies between the current and
previous assignments of company codes to the controlling area.

How to fix this error?

For errors (1) to (6) you do not need to delete the data. In the other
cases you must decide if deleting the transaction data is necessary
or not.

Error message extract from SAP system. Copyright SAP SE.

KZ521 - Details

• The SAP error message KZ521 ("Data missing or inconsistent") typically occurs in the context of controlling (CO) or financial accounting (FI) modules when there is an issue with the data being processed. This error can arise in various scenarios, such as during the posting of transactions, running reports, or executing certain functions within the system.
  Causes of KZ521 Error
  
  
  Missing Data: Required fields or data elements may not be filled in correctly. This could include missing cost center, internal order, or other key identifiers.
  
  
  Inconsistent Data: The data being processed may not match the expected format or may have inconsistencies, such as mismatched account assignments or incorrect document types.
  
  
  
  Configuration Issues: There may be configuration settings in the controlling or financial modules that are not set up correctly, leading to data inconsistencies.
  
  
  Master Data Issues: Problems with master data, such as missing or incorrect entries in cost centers, profit centers, or other related entities.
  
  
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