How To Fix ON221 - Details exist only for the relationship types 'contains' or 'references'

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 221

• Message text: Details exist only for the relationship types 'contains' or 'references'

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ON221 - Details exist only for the relationship types 'contains' or 'references' ?

  The SAP error message ON221 indicates that there is an issue with the relationship types being used in a particular context, typically when dealing with object relationships in SAP. This error specifically states that details exist only for the relationship types 'contains' or 'references'. 
  Cause:
  The error usually arises when you are trying to create or manage relationships between objects in SAP, and the system expects a specific type of relationship (either 'contains' or 'references') but encounters a different type or an invalid configuration. This can happen in various scenarios, such as:
  
  Attempting to link objects using an unsupported relationship type.
  Misconfiguration of the object types or their relationships in the system.
  Trying to access or manipulate data that does not conform to the expected relationship types.
  
  Solution:
  To resolve the ON221 error, you can take the following steps:
  
  
  Check Relationship Types: Ensure that you are using the correct relationship type ('contains' or 'references') when creating or managing object relationships. Review the documentation or configuration settings for the specific objects you are working with.
  
  
  Review Object Configuration: Verify the configuration of the objects involved in the relationship. Make sure that they are set up correctly and that the relationships are defined as expected.
  
  
  Use Supported Relationships: If you are trying to use a different relationship type, consider changing it to one of the supported types ('contains' or 'references').
  
  
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific objects and their relationship types. This can provide insights into the correct usage and any limitations.
  
  
  Check for Updates: Ensure that your SAP system is up to date, as there may be patches or updates that address known issues related to object relationships.
  
  
  Seek Help from SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They can provide more detailed insights based on your specific system configuration and usage.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to the ON221 error.
  Transaction Codes: Familiarize yourself with relevant transaction codes that deal with object relationships, such as those used for configuration or data management.
  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 ON221 error and implement a suitable solution.