How To Fix SI064 - ****** Reserved for DDIC foreign key ************************************

SAP Error Message - Details

• Message type: E = Error

• Message class: SI - Implementation Guide - Status control

• Message number: 064

• Message text: ****** Reserved for DDIC foreign key ************************************

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SI064 - ****** Reserved for DDIC foreign key ************************************ ?

  The SAP error message SI064, which states "Reserved for DDIC foreign key," typically occurs when there is an issue related to the Data Dictionary (DDIC) in SAP, particularly concerning foreign key relationships in database tables. This error can arise in various scenarios, such as during the activation of a table, when trying to create or modify a foreign key relationship, or when there are inconsistencies in the data model.
  Causes:
  
  Foreign Key Definition Issues: The foreign key relationship may not be properly defined in the Data Dictionary. This could be due to missing or incorrect references to the primary key in the related table.
  Inconsistent Data: If there are existing records in the database that violate the foreign key constraints, this error may occur.
  Transport Issues: If the table or its foreign key relationships were transported from one system to another, there may be inconsistencies or missing objects.
  Database Locking: Sometimes, database locks can prevent the activation or modification of foreign key relationships.
  
  Solutions:
  
  Check Foreign Key Definitions: Go to the Data Dictionary (transaction SE11) and verify the foreign key definitions. Ensure that the referenced table and fields exist and are correctly defined.
  Data Consistency Check: Use transaction SE14 (Database Utility) to check for inconsistencies in the database. You can perform a consistency check on the table to identify any records that violate the foreign key constraints.
  Recreate Foreign Key: If the foreign key definition is incorrect, you may need to delete and recreate the foreign key relationship in the Data Dictionary.
  Transport Consistency: If the issue arose after a transport, ensure that all related objects were transported correctly. You may need to re-transport the objects or manually adjust them in the target system.
  Database Lock Release: If you suspect that a database lock is causing the issue, check for any active locks and release them if necessary.
  
  Related Information:
  
  
  Transaction Codes:
  
  SE11: Data Dictionary - to view and edit table definitions.
  SE14: Database Utility - to check and repair database inconsistencies.
  SE80: Object Navigator - to view related objects and dependencies.
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on Data Dictionary and foreign key constraints.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP team for further investigation.