How To Fix 1F520 - Data ext. acct for current hierarchy missing - database inconsistent

SAP Error Message - Details

• Message type: E = Error

• Message class: 1F - BKK: Beziehungen

• Message number: 520

• Message text: Data ext. acct for current hierarchy missing - database inconsistent

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message 1F520 - Data ext. acct for current hierarchy missing - database inconsistent ?

  The SAP error message 1F520 indicates that there is a problem with the external account assignment in the current hierarchy, which is causing a database inconsistency. This error typically arises in the context of financial accounting or controlling modules, particularly when dealing with account assignments in a hierarchy structure.
  Cause:
  
  Missing Data: The external account (or account assignment) that is expected in the current hierarchy is missing. This could be due to data not being maintained properly in the system.
  Hierarchy Issues: The hierarchy structure may not be correctly defined or may have been altered without updating the associated external accounts.
  Data Migration Issues: If data was migrated from another system, there may have been inconsistencies or missing mappings.
  Configuration Errors: Incorrect configuration settings in the financial accounting or controlling modules can lead to this error.
  
  Solution:
  
  
  Check Hierarchy Configuration:
  
  Go to the transaction code OBH2 (for defining account hierarchies) and verify that the external accounts are correctly assigned to the current hierarchy.
  Ensure that the hierarchy is active and properly configured.
  
  
  
  Maintain External Accounts:
  
  Use transaction code FS00 to check if the external accounts are defined and active. If they are missing, create or update them as necessary.
  
  
  
  Data Consistency Check:
  
  Run a consistency check using transaction code SARA or SICF to identify any inconsistencies in the database related to the hierarchy and external accounts.
  
  
  
  Review Migration Processes:
  
  If the issue arose after a data migration, review the migration logs and mappings to ensure that all necessary data was transferred correctly.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to this specific error message for any additional troubleshooting steps or patches that may be available.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error and the steps you have already taken.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBH2 (for hierarchy maintenance), FS00 (for account maintenance), and SARA (for archiving and data consistency checks).
  SAP Notes: Search for SAP Notes related to error message 1F520 in the SAP Support Portal for any known issues or patches.
  User Forums: Check SAP community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the error message 1F520 in your SAP system.