How To Fix ON219 - Choose exactly one object type or exactly one relationship

SAP Error Message - Details

• Message type: E = Error

• Message class: ON - Tools in area Object Modeler / Object Editor

• Message number: 219

• Message text: Choose exactly one object type or exactly one relationship

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ON219 - Choose exactly one object type or exactly one relationship ?

  The SAP error message ON219, which states "Choose exactly one object type or exactly one relationship," typically occurs in the context of object management or when working with object relationships in SAP systems, particularly in modules like SAP CRM or SAP PLM.
  Cause:
  This error arises when a user attempts to perform an action that requires a specific selection of either an object type or a relationship type, but the selection made does not meet the criteria. This can happen in scenarios such as:
  
  Multiple Selections: The user has selected more than one object type or relationship type when the system expects only one.
  No Selection: The user has not selected any object type or relationship type when the system requires at least one.
  Incorrect Context: The action being performed is not valid for the selected object types or relationships.
  
  Solution:
  To resolve the ON219 error, follow these steps:
  
  
  Review Selections: Check the selections you have made in the relevant screen. Ensure that you have selected exactly one object type or one relationship type.
  
  
  Clear Unnecessary Selections: If you have multiple selections, deselect the additional object types or relationships until only one remains.
  
  
  Check Context: Ensure that the action you are trying to perform is appropriate for the selected object type or relationship. Refer to the documentation or help resources for guidance on valid selections.
  
  
  Re-attempt the Action: After making the necessary adjustments to your selections, try to perform the action again.
  
  
  Consult Documentation: If you are unsure about which object types or relationships are valid for your action, consult the SAP documentation or help resources specific to the module you are working in.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. Sometimes, specific patches or updates may address underlying issues.
  User Guides: Refer to user guides or training materials for the specific SAP module you are using to understand the correct usage of object types and relationships.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered the same issue and what solutions they found effective.
  
  By following these steps, you should be able to resolve the ON219 error and proceed with your tasks in SAP.