How To Fix CNV_PE_UI189 - Foreign field in foreign key must be specified

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_UI -

• Message number: 189

• Message text: Foreign field in foreign key must be specified

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_UI189 - Foreign field in foreign key must be specified ?

  The SAP error message CNV_PE_UI189 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is a foreign key relationship that is not properly defined or that a required foreign field is missing in the data being processed.
  Cause:
  
  Missing Foreign Key Field: The error usually arises when a foreign key field that is required for a specific table is not included in the data being uploaded or migrated.
  Incorrect Mapping: There may be an issue with how the fields are mapped in the migration template or tool, leading to the foreign key not being recognized.
  Data Integrity Issues: The data being migrated may not adhere to the integrity constraints defined in the target system, such as missing references in related tables.
  
  Solution:
  
  Check Data Mapping: Review the mapping of fields in your migration template. Ensure that all required foreign key fields are included and correctly mapped.
  Validate Data: Before migration, validate the data to ensure that all foreign key relationships are intact. This may involve checking that all referenced records exist in the corresponding tables.
  Update Migration Template: If you find that certain foreign key fields are missing, update your migration template to include these fields.
  Refer to Documentation: Consult the SAP documentation for the specific migration tool you are using to understand the required fields and relationships.
  Test Migration: After making the necessary adjustments, perform a test migration with a smaller dataset to ensure that the error is resolved before proceeding with the full migration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its requirements for data migration, including foreign key relationships.
  Data Model: Understand the data model of the target system, including the relationships between tables, to ensure that all necessary fields are accounted for in your migration.
  
  By addressing the foreign key requirements and ensuring that your data is correctly structured, you should be able to resolve the CNV_PE_UI189 error and successfully complete your data migration.