How To Fix OL566 - Object type '&' still being used in other object types

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 566

• Message text: Object type '&' still being used in other object types

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 OL566 - Object type '&' still being used in other object types ?

  The SAP error message OL566 indicates that an object type (represented by the placeholder '&') is still being used in other object types, which prevents you from deleting or modifying it. This is a common issue when dealing with object types in SAP, particularly in the context of customizing or deleting objects in the system.
  Cause:
  The error occurs when you attempt to delete or modify an object type that is still referenced by other objects in the system. This can happen in various scenarios, such as:
  
  Trying to delete a custom object type that is still linked to other objects (e.g., classes, function modules, or other custom objects).
  Attempting to change the definition of an object type that is still in use by other components or configurations.
  
  Solution:
  To resolve the OL566 error, you can follow these steps:
  
  
  Identify Dependencies:
  
  Use transaction codes like SE11 (Data Dictionary) or SE80 (Object Navigator) to check where the object type is being used.
  You can also use the SE84 (Repository Information System) to search for references to the object type.
  
  
  
  Remove References:
  
  Once you identify the objects that are referencing the object type, you will need to either delete or modify those references.
  This may involve changing the configuration, deleting dependent objects, or updating code that uses the object type.
  
  
  
  Check for Active Objects:
  
  Ensure that there are no active objects or instances that are using the object type. If there are, you may need to deactivate or delete them first.
  
  
  
  Re-attempt the Action:
  
  After ensuring that all references to the object type have been removed, you can try to delete or modify the object type again.
  
  
  
  Consult Documentation:
  
  If you are unsure about the implications of deleting or modifying the object type, consult the SAP documentation or reach out to your SAP Basis or development team for guidance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE80, SE84, and SE37 (for function modules) to navigate and analyze object dependencies.
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or solutions related to this error.
  Testing: Always ensure that you have a backup or a way to revert changes before making modifications to object types in a production environment.
  
  By following these steps, you should be able to resolve the OL566 error and successfully manage your object types in SAP.