How To Fix WA639 - Type linkage between & & and &: No entry found

SAP Error Message - Details

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 639

• Message text: Type linkage between & & and &: No entry found

What causes this issue?

The specified linkage from object type and event to receiver type was
not found.

System Response

The action was aborted.

How to fix this error?

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 WA639 - Type linkage between & & and &: No entry found ?

  Certainly! Here's a detailed explanation of the SAP error message:
  
  SAP Error Message:
  WA639 - Type linkage between & & and &: No entry found
  
  Meaning / Cause:
  This error occurs when the system tries to find a type linkage (relationship) between two object types (e.g., business objects, classes, or other SAP repository objects) but cannot find an entry that defines this linkage in the relevant tables.
  In SAP, type linkages define relationships between different object types, such as inheritance, associations, or dependencies. The system uses these linkages to understand how objects relate to each other, for example, when navigating object hierarchies or performing consistency checks.
  Typical causes include:
  
  Missing or incomplete entries in the type linkage tables (e.g., table TADIR, TADIR or other related tables like TOBJ or TOBJ_TLINK).
  Custom or standard objects that have not been properly linked or registered.
  Inconsistent or corrupted repository data.
  Transport or upgrade issues where type linkage entries were not properly imported or updated.
  Trying to perform an operation on objects that do not have a defined relationship in the system.
  
  
  Where it occurs:
  
  When navigating object relationships in the Object Navigator (SE80).
  During repository checks or consistency checks.
  When using tools or transactions that rely on object type linkages.
  During transport import or upgrade processes.
  
  
  Solution / How to fix:
  
  
  Check the involved object types:
  
  Identify the two object types mentioned in the error message (the placeholders & will be replaced by actual object type names in the real message).
  Verify if these object types are valid and exist in the system.
  
  
  
  Verify type linkage entries:
  
  Check the table TOBJ_TLINK (or equivalent) for entries defining the linkage between these object types.
  Use SE16/SE16N to look up entries for the involved object types.
  
  
  
  Recreate or maintain missing linkages:
  
  If the linkage is missing, you may need to create or restore it.
  For standard SAP objects, this might require applying SAP Notes or support packages.
  For custom objects, ensure that the type linkage is properly defined in your development environment.
  
  
  
  Check for transport/import issues:
  
  If the error appeared after a transport or upgrade, verify that all related objects and their linkages were correctly imported.
  Re-import or correct the transport if necessary.
  
  
  
  Run consistency checks:
  
  Use transaction SE80 or SOBJ to check object consistency.
  Run repository consistency checks (R3trans or other tools) to detect and fix inconsistencies.
  
  
  
  SAP Notes and Support:
  
  Search the SAP Support Portal for Notes related to error WA639.
  Some SAP Notes may provide corrections or instructions for fixing type linkage issues.
  
  
  
  
  Additional Information:
  
  
  Type linkage tables:
  
  SAP maintains several tables to manage object types and their relationships, such as:
  
  TOBJ - Object types
  TOBJ_TLINK - Type linkages between object types
  TADIR - Directory of repository objects
  
  
  
  Example scenario:
  
  If you have a custom object type ZOBJ1 and you try to link it to a standard object type CLAS (class), but no linkage entry exists between ZOBJ1 and CLAS, the system will raise this error.
  
  
  Debugging:
  
  If you have access to debugging, you can set a breakpoint at the point where the error is raised (e.g., in function modules or methods related to object type linkages) to analyze which linkage is missing.
  
  
  
  Summary:
  
  
  
  Aspect
  Description
  
  
  
  
  Error
  WA639 - Type linkage between & & and &: No entry found
  
  
  Cause
  Missing or undefined type linkage between two object types in the SAP repository
  
  
  Solution
  Verify and maintain type linkage entries; check repository consistency; apply SAP Notes
  
  
  Where
  Object Navigator, repository checks, transport/import, upgrade processes
  
  
  Tables
  TOBJ, TOBJ_TLINK, TADIR
  
  
  
  
  If you provide the actual object types involved (the values replacing &), I can help you with more specific guidance.