How To Fix UD251 - Select a relationship direction

SAP Error Message - Details

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 251

• Message text: Select a relationship direction

What causes this issue?

You have chosen at least one relationship print option, and not
specified the relationship direction.

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?

Mark at least one relationship direction.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UD251 - Select a relationship direction ?

  The SAP error message UD251, which states "Select a relationship direction," typically occurs in the context of SAP Master Data Management, particularly when dealing with the creation or maintenance of relationships between different master data objects (like business partners, materials, etc.).
  Cause:
  The error arises when the system expects the user to specify a direction for the relationship being created or modified, but this direction has not been selected. In SAP, relationships can often be bi-directional, and the system needs to know how to interpret the relationship between the two objects involved.
  Solution:
  To resolve the UD251 error, follow these steps:
  
  
  Identify the Context: Determine where you are in the SAP system when the error occurs. This could be in transaction codes related to master data management, such as BP (Business Partner) or MM (Material Management).
  
  
  Select Relationship Direction:
  
  When prompted, look for options to specify the relationship direction. This could be options like "One-way" or "Two-way" (bi-directional).
  Ensure that you select the appropriate direction that reflects how the two objects are related.
  
  
  
  Check Configuration: If you are consistently encountering this error, it may be worth checking the configuration settings for the relationship types in your SAP system. Ensure that the relationship types are correctly defined and that the system is set up to handle the relationships as intended.
  
  
  Consult Documentation: If you are unsure about which relationship direction to select, refer to the SAP documentation or help files related to the specific master data object you are working with. This can provide guidance on the expected relationships.
  
  
  User Training: If multiple users are encountering this error, consider providing training or documentation to help them understand how to properly select relationship directions in the system.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as BP (Business Partner), MM01 (Create Material), or others depending on the context of the error.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, specific versions of SAP may have bugs that are documented in SAP Notes.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  By following these steps, you should be able to resolve the UD251 error and successfully manage the relationships in your SAP system.