How To Fix WA624 - Instance linkage between & & and & &: Type linkage cannot be entered

SAP Error Message - Details

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 624

• Message text: Instance linkage between & & and & &: Type linkage cannot be entered

What causes this issue?

The type linkage for the specified instance linkage could not be
entered.

System Response

The action was terminated, neither the instance nor type linkage was
entered.

How to fix this error?

Check the relevant type linkage using transaction
<DS:TRAN.SWETYPV>SWETYPV</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WA624 - Instance linkage between & & and & &: Type linkage cannot be entered ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WA624 Instance linkage between & & and & &: Type linkage cannot be entered
  
  Meaning / Cause:
  This error occurs when you try to create or maintain an instance linkage between two objects (instances) in SAP, but the system does not allow the linkage because the type linkage between the object types is not defined or permitted.
  
  Instance linkage means linking specific instances (objects) of certain types.
  Type linkage means defining allowed linkages between object types themselves.
  If the type linkage between the involved object types is not maintained or allowed, you cannot create an instance linkage between their instances.
  
  In other words, the system enforces that before you can link two specific objects, the relationship between their object types must be defined in the system.
  
  When does this happen?
  
  When working with Object Linkages in SAP (e.g., in modules like PM - Plant Maintenance, or CS - Customer Service).
  When trying to link equipment, functional locations, or other business objects.
  When the linkage is attempted but the underlying type linkage is missing or incorrectly configured.
  
  
  Solution:
  
  
  Check Type Linkage Configuration:
  
  Go to the customizing transaction for object type linkages.
  For example, in Plant Maintenance (PM), use transaction OIBH or navigate via SPRO:
  
  SPRO -> Plant Maintenance and Customer Service -> Maintenance and Service Processing -> Maintenance and Service Orders -> Linkage -> Define Linkage Types
  
  
  Verify if the linkage type between the object types you want to link is defined.
  If not, create or maintain the linkage type between the relevant object types.
  
  
  
  Maintain Allowed Linkages:
  
  Ensure that the linkage type allows the instance linkage you want to create.
  Check if the linkage type is active and correctly set up.
  
  
  
  Check Authorizations:
  
  Sometimes, authorization issues can cause similar errors.
  Verify that the user has the necessary permissions to create linkages.
  
  
  
  Re-try the Instance Linkage:
  
  After maintaining the type linkage, try to create the instance linkage again.
  
  
  
  
  Related Information:
  
  
  Object Linkage in SAP:
  
  SAP uses object linkages to represent relationships between business objects, such as equipment linked to functional locations, or orders linked to equipment.
  
  
  Transactions and Tables:
  
  OIBH - Define Linkage Types (in PM)
  Tables like IBIN (Instance Linkage), IBTYP (Object Types), and IBLNK (Linkage Types) store linkage data.
  
  
  
  Error Message Class:
  
  This message belongs to the message class WA6 (or similar, depending on module).
  
  
  SAP Notes:
  
  Check SAP Notes for any known issues related to linkage errors in your SAP version.
  
  
  
  Summary:
  
  
  
  Aspect
  Description
  
  
  
  
  Cause
  Type linkage between the involved object types is not defined or allowed.
  
  
  Effect
  Cannot create instance linkage between specific objects of those types.
  
  
  Solution
  Define/maintain the type linkage between the object types in customizing (SPRO or OIBH).
  
  
  Additional
  Verify authorizations and retry after configuration.
  
  
  
  
  If you provide the exact module or object types involved, I can help with more specific steps or transaction codes.