How To Fix UD642 - Relationship from & to & (field &) cannot be displayed

UD642 - Overview

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 642

• Message text: Relationship from & to & (field &) cannot be displayed

What causes this issue?

There are more than 90 relationships between the check table and the
foreign key table. For technical reasons, no more than 90 relationships
with the same check and foreign key table can be currently displayed in
the Dictionary graphic. The specified relationship can therefore not be
displayed graphically.

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.

UD642 - Details

• The SAP error message UD642, which states "Relationship from & to & (field &) cannot be displayed," typically occurs in the context of using the SAP system for managing master data, particularly in the area of object relationships (like business partners, materials, etc.). This error indicates that the system is unable to display a specific relationship due to various reasons.
  Causes:
  
  Missing Data: The relationship data might be missing or not properly maintained in the system.
  Incorrect Configuration: The configuration settings for the relationship type may not be set up correctly.
  Authorization Issues: The user may not have the necessary authorizations to view the relationship.
  Data Inconsistency: There may be inconsistencies in the data that prevent the relationship from being displayed.
  Technical Issues: There could be underlying technical issues, such as database problems or system bugs.
  
  Solutions:
  
  Check Data Maintenance: Verify that the relationship data is correctly maintained in the relevant master data records. Ensure that both the