Message type: E = Error
Message class: SI - Implementation Guide - Status control
Message number: 066
Message text: ****** Reserved for DDIC foreign key ************************************
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SI066
- ****** Reserved for DDIC foreign key ************************************ ?The SAP error message "SI066 ** Reserved for DDIC foreign key ****" typically indicates an issue related to the Data Dictionary (DDIC) in SAP, specifically concerning foreign key relationships. This error can occur when there is a problem with the foreign key definition in the database table or when the system is trying to access a field that is reserved for a foreign key relationship but is not properly defined or linked. Causes: Missing Foreign Key Definition: The foreign key relationship may not be properly defined in the Data Dictionary. Inconsistent Data: There may be inconsistencies in the data that violate the foreign key constraints. Table Structure Changes: Changes to the table structure (like adding or removing fields) without properly updating the foreign key relationships can lead to this error. Transport Issues: If the table definitions were transported from one system to another, there might be issues with the transport not including all necessary components. Solutions: Check
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