How To Fix FK506 - The selected special rule was deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: FK - Factory calendar

• Message number: 506

• Message text: The selected special rule was deleted

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

The special rule which is marked for deletion is only deleted from the
database next time that the function <LS>Save</> is called.

How to fix this error?

If you want to delete the special rule which is marked for deletion
from the database, choose the function <LS>Save</>.
If you want to keep the special rule in the database, leave the special
rule maintenance without saving.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FK506 - The selected special rule was deleted ?

  The SAP error message FK506 ("The selected special rule was deleted") typically occurs in the context of financial accounting, particularly when dealing with special rules for tax calculation or other financial processes. This error indicates that a special rule that was previously defined in the system has been deleted, and as a result, the system cannot process the transaction or operation that relies on that rule.
  Cause:
  
  Deletion of Special Rule: The most direct cause of this error is that a special rule that was previously configured in the system has been deleted. This could happen due to changes in business requirements, system updates, or manual deletions by users with the appropriate permissions.
  Configuration Issues: There may be inconsistencies in the configuration settings related to tax calculation or other financial processes.
  Data Migration: If data was migrated from another system or during an upgrade, some special rules may not have been transferred correctly.
  
  Solution:
  
  
  Check Configuration: 
  
  Go to the configuration settings in SAP (Transaction Code: SPRO) and navigate to the relevant area where the special rules are defined (e.g., tax configuration).
  Verify if the special rule in question exists. If it has been deleted, you may need to recreate it based on the business requirements.
  
  
  
  Restore Deleted Rule: 
  
  If the rule was deleted accidentally, check if there is a backup or transport request that can restore the deleted rule.
  Consult with your SAP Basis team to see if they can assist in recovering the deleted configuration.
  
  
  
  Review Transaction: 
  
  Analyze the transaction that triggered the error. Ensure that it is set up correctly and that it references the correct special rule.
  If necessary, modify the transaction to use an existing special rule.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or notes related to the specific special rule and its usage to ensure that all dependencies are correctly configured.
  
  
  
  Contact SAP Support: 
  
  If the issue persists and you cannot resolve it, consider reaching out to SAP support for further assistance. They may provide insights or patches if this is a known issue.
  
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SPRO: Customizing settings
  OBYZ: Special rules for tax calculation
  FB60/FB70: Invoice entry transactions where this error might occur.
  
  
  
  User Permissions: Ensure that users have the appropriate permissions to view and modify special rules in the system.
  
  
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that the system behaves as expected.
  
  
  By following these steps, you should be able to identify the cause of the FK506 error and implement a solution to resolve it.