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

SI064 - Overview

• Message type: E = Error

• Message class: SI - Implementation Guide - Status control

• Message number: 064

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

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 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