How To Fix OL358 - If inverse attribute specified, a reference object type is also mandatory

SAP Error Message - Details

• Message type: E = Error

• Message class: OL - Workflow object types: Run-time system

• Message number: 358

• Message text: If inverse attribute specified, a reference object type is also mandatory

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OL358 - If inverse attribute specified, a reference object type is also mandatory ?

  The SAP error message OL358 indicates that when you are trying to define an inverse attribute in a data model, you must also specify a reference object type. This error typically occurs in the context of defining object types and their relationships in the SAP system, particularly in the context of Object-Oriented Programming or when working with Business Object Processing.
  Cause:
  The error arises when:
  
  You have defined an inverse attribute for an object type but have not specified the corresponding reference object type that the inverse attribute should relate to.
  The system requires a clear definition of how the attributes relate to each other, and without the reference object type, it cannot establish this relationship.
  
  Solution:
  To resolve the OL358 error, you should:
  
  Check the Definition of the Object Type: Go to the definition of the object type where you are trying to define the inverse attribute.
  Specify the Reference Object Type: Ensure that you provide a valid reference object type for the inverse attribute. This means you need to define which object type the inverse attribute is referring to.
  Review Relationships: Make sure that the relationships between the object types are correctly defined and that all necessary attributes are specified.
  Save and Activate: After making the necessary changes, save and activate the object type definition.
  
  Related Information:
  
  Documentation: Refer to the SAP documentation for Object Types and Relationships to understand how to properly define attributes and their relationships.
  Transaction Codes: You may need to use transaction codes like SWO1 (Business Object Builder) to manage object types and their attributes.
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions for this error message.
  Testing: After making changes, test the object type to ensure that the error does not reoccur and that the relationships function as expected.
  
  By following these steps, you should be able to resolve the OL358 error and successfully define your object types and their relationships in SAP.