How To Fix UD647 - Unbundling of the relationships was switched off

SAP Error Message - Details

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 647

• Message text: Unbundling of the relationships was switched off

What causes this issue?

The text for the semantic attributes of the foreign key relationship is
displayed on the relationship line with this setting. The cardinalities
are displayed above the relationship and the foreign key category below
it. The following abbreviations are used for the foreign key field
category:
KEY: key fields/candidates
TXT: key fields of a text table
REF: no key fields/candidates
no text: not specified
The relationships are bundled before they enter a table and enter the
table from the left.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UD647 - Unbundling of the relationships was switched off ?

  The SAP error message UD647, which states "Unbundling of the relationships was switched off," typically occurs in the context of SAP's data management and processing, particularly when dealing with master data or transactional data that involves relationships between different entities (like materials, vendors, customers, etc.).
  Cause:
  The error is usually caused by the following reasons:
  
  
  Configuration Settings: The unbundling of relationships may have been disabled in the system configuration. This can happen if the settings for handling relationships between objects (like materials and their components) are not properly configured.
  
  
  Data Integrity Issues: There may be issues with the data integrity or consistency that prevent the system from processing the relationships as expected.
  
  
  User Authorizations: The user may not have the necessary authorizations to perform actions that involve unbundling relationships.
  
  
  Solution:
  To resolve the UD647 error, you can take the following steps:
  
  
  Check Configuration:
  
  Go to the relevant configuration settings in the SAP system (usually in the IMG - Implementation Guide).
  Look for settings related to unbundling relationships and ensure that they are enabled.
  
  
  
  Review Data:
  
  Check the data involved in the transaction that triggered the error. Ensure that all related entities are correctly defined and that there are no inconsistencies.
  
  
  
  User Authorizations:
  
  Verify that the user has the necessary authorizations to perform the action. If not, consult with your SAP security team to grant the required permissions.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific module you are working with. There may be specific guidelines or patches available that address this error.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights based on the specific version of SAP you are using.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes related to master data management, as they may help in troubleshooting the issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the UD647 error and implement a solution to resolve it.