How To Fix WZ411 - Object type cannot be extended (subtype & used)

SAP Error Message - Details

• Message type: E = Error

• Message class: WZ - Workflow: Model objects

• Message number: 411

• Message text: Object type cannot be extended (subtype & used)

What causes this issue?

The specified object type was supplied by SAP AG and therefore cannot
be extended by you. However, there is a subtype that can be extended.

System Response

Processing is continued with the subtype.

How to fix this error?

Extend the specified subtype, or choose another object type.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WZ411 - Object type cannot be extended (subtype & used) ?

  SAP Error Message:
  
  WZ411 - Object type cannot be extended (subtype & used)
  
  Cause:
  This error occurs when you try to extend an object type in SAP that is either:
  
  Already used in a way that prevents extension, or  
  The subtype of the object type does not allow extension.
  
  In other words, the object type you are attempting to extend is locked or restricted because it is already in use or its design does not permit further extension.
  This is common in scenarios involving Business Object Repository (BOR) objects or when working with object types in the Workflow Builder or Object Navigator (SWO1).
  
  Explanation:
  
  Object types in SAP can have subtypes and can be extended to add new attributes or methods.
  However, if an object type is already used in workflows, applications, or other dependent objects, SAP restricts further extension to maintain consistency and avoid runtime errors.
  Also, some object types are defined as final or non-extendable by design.
  
  
  Solution:
  
  
  Check Usage:
  
  Verify if the object type is currently used in workflows, applications, or other dependent objects.
  Use transaction SWO1 (Object Builder) to check the object type and its usage.
  If the object type is used, consider whether you can:
  
  Remove or adjust the dependent objects temporarily.
  Create a new object type instead of extending the existing one.
  
  
  
  
  
  Check Subtype Restrictions:
  
  Some subtypes are not allowed to be extended.
  Review the object type hierarchy and subtype definitions to confirm if extension is permitted.
  
  
  
  Alternative Approaches:
  
  Instead of extending the existing object type, create a new object type that inherits from the original one and add your extensions there.
  This approach avoids conflicts with existing usage.
  
  
  
  Transport and System Status:
  
  Ensure that the object type is not locked or in a transport request that prevents changes.
  Check if you have the necessary authorizations to extend the object type.
  
  
  
  Consult SAP Notes:
  
  Sometimes, SAP releases notes or patches related to BOR or object type extensions.
  Search SAP Support Portal for notes related to WZ411 or BOR object extension issues.
  
  
  
  
  Related Information:
  
  Transaction SWO1: Object Builder, used to display and maintain BOR object types.
  BOR (Business Object Repository): Central repository for business objects in SAP.
  Workflow Builder (SWDD): Workflows often use BOR objects; changes to object types can impact workflows.
  SAP Help: Documentation on BOR and object type extension.
  SAP Notes: Check for any OSS notes related to WZ411.
  
  
  Summary:
  
  Cause: Object type is already used or subtype does not allow extension.
  Solution: Check usage, consider creating a new object type or subtype, ensure no locks or transport issues, and verify authorizations.
  Tools: SWO1, SWDD, SAP Notes.
  
  
  If you provide the exact context (e.g., which object type, what operation you were performing), I can help with more specific guidance.