How To Fix SDDL_PARSER_MSG223 - The parent entity "&1" requires a unique key

SDDL_PARSER_MSG223 - Overview

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 223

• Message text: The parent entity "&1" requires a unique key

What causes this issue?

Parent entities of compositions must have a unique key.

System Response

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

How to fix this error?

Use the keyword KEY in the element list to define a unique key.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG223 - The parent entity "&1" requires a unique key ?

  The SAP error message SDDL_PARSER_MSG223 indicates that there is an issue with the uniqueness of a key for a parent entity in the context of the SAP Data Dictionary or a similar data structure. This error typically arises when you are trying to create or modify a data structure (like a table or a view) that requires a unique key for its parent entity, but the key provided does not meet the uniqueness requirement.
  
  Cause:
  
  Duplicate Key Values: The most common cause of this error is that the key values being used for the parent entity are not unique. This can happen if you are trying to insert or update records that have the same key values as existing records.
  Incorrect Configuration: There may be a misconfiguration in the data model where the parent entity is expected to have a unique key, but the definition does not enforce this correctly.
  Data Integrity Issues: If