How To Fix CZ406 - Errors in foreign key dependencies!

CZ406 - Overview

• Message type: E = Error

• Message class: CZ - Customizing messages

• Message number: 406

• Message text: Errors in foreign key dependencies!

What causes this issue?

Either (1) there are no entries in the tables associated with the
organizational object, or (2) the check table concerned does not
contain key record for the tables. The first kind of error is indicated
by a red cross in the log for the "Check" action; the second kind is
indicated in the log by a yellow lightning symbol.

System Response

The system creates an error log.

How to fix this error?

Display the log (choose Extras -> Technical logs -> Check results) to
gain an overview of the missing table entries. If necessary, you can
enter missing entries manually using the table maintenance transaction.
Do not do this for the original system OrgUnits, but on copies of them.
There is not further effect on functionality.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CZ406 - Errors in foreign key dependencies! ?

  The SAP error message CZ406, which indicates "Errors in foreign key dependencies," typically arises when there are inconsistencies or violations in the foreign key relationships defined in the database. This can occur in various contexts, such as during data entry, data migration, or when executing certain transactions.
  Causes of CZ406 Error
  
  
  Missing or Incorrect Foreign Key Values: The primary cause is often that the value being entered does not exist in the referenced table. For example, if you are trying to enter a record that references a customer ID that does not exist in the customer master table.
  
  
  Data Integrity Issues: If there are inconsistencies in the data, such as orphaned records (records that reference a non-existent parent record), this can trigger the error.
  
  
  
  Configuration Issues: Incorrect configuration of foreign key relationships in the data model can lead to this error.
  
  
  Data Migration Issues: During data migration, if the data is not properly validated or