How To Fix WA633 - Type linkage between & & and &: Activation not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 633

• Message text: Type linkage between & & and &: Activation not possible

What causes this issue?

The specified type linkage between object type and event and the
specified receiver type cannot be activated.

System Response

The action was terminated, the entry is not changed.

How to fix this error?

Check whether the specified linkage exists.
INCLUDE NA_WF-ADMINISTRATOR OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WA633 - Type linkage between & & and &: Activation not possible ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WA633 Type linkage between & & and &: Activation not possible
  
  Meaning / Cause:
  This error occurs during the activation of an ABAP Dictionary object (such as a table, structure, or data element) when there is an inconsistency or mismatch in the type linkage between related data types or structures.
  Type linkage in SAP means that one data type is linked or dependent on another. For example, a table field might be linked to a data element, or a structure might be linked to another structure or data element. If the system detects that the linkage between these types is inconsistent or invalid, it prevents activation to avoid runtime errors or data inconsistencies.
  Common causes include:
  
  Changes in the underlying data element or structure that are incompatible with the referencing object.
  Circular or conflicting references between types.
  Inconsistent or incomplete type definitions.
  Transport or system inconsistencies where dependent objects are not properly updated.
  
  
  Example Scenario:
  
  You have a table field linked to a data element.
  The data element was changed (e.g., its domain or type changed).
  The table or structure referencing this data element was not updated or activated accordingly.
  When you try to activate the table or structure, SAP detects the mismatch and throws this error.
  
  
  Solution / How to Fix:
  
  
  Check the Type Linkage:
  
  Identify the objects mentioned in the error message (the placeholders & will be replaced by actual object names in the real message).
  Use transaction SE11 (Data Dictionary) to check the definitions of these objects.
  Verify that the data types, domains, and structures are consistent and compatible.
  
  
  
  Activate Dependent Objects First:
  
  Activate the referenced objects (e.g., data elements, domains, structures) before activating the dependent object.
  Sometimes, activating the base objects first resolves the linkage issue.
  
  
  
  Check for Circular References:
  
  Ensure there are no circular references between types.
  If found, redesign the data types to remove circular dependencies.
  
  
  
  Use the Where-Used List:
  
  In SE11, use the "Where-Used List" to find all objects linked to the problematic type.
  Activate or adjust these objects as necessary.
  
  
  
  Transport Consistency:
  
  If this error occurs after a transport import, check that all dependent objects were included in the transport.
  Re-import or re-activate missing objects.
  
  
  
  Adjust or Recreate the Object:
  
  If the inconsistency cannot be resolved, consider adjusting the object definitions or recreating the object with correct type linkages.
  
  
  
  
  Additional Information:
  
  This error is related to the integrity of the ABAP Dictionary and type definitions.
  Always ensure that changes to data elements, domains, or structures are carefully propagated to dependent objects.
  Use the ABAP Dictionary tools to analyze dependencies.
  If unsure, check SAP Notes or consult with a BASIS/ABAP developer.
  
  
  Summary:
  
  
  
  Aspect
  Description
  
  
  
  
  Cause
  Inconsistent or invalid type linkage between related data types or structures.
  
  
  Effect
  Activation of the object is blocked to prevent runtime errors.
  
  
  Solution
  Check and correct type definitions, activate dependent objects first, remove circular refs.
  
  
  Tools
  SE11 (Data Dictionary), Where-Used List, Transport Organizer.
  
  
  
  
  If you provide the actual object names from the error message, I can help you with more specific guidance.