How To Fix WA623 - Instance linkage between & & and & & cannot be entered

SAP Error Message - Details

• Message type: E = Error

• Message class: WA - Messages from Workflow Event Manager

• Message number: 623

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

What causes this issue?

The instance linkage between the specified tuple pair (object type,
event) and the tuple pair (receiver type, receiver ID) could not be
entered.

System Response

The action was terminated, the instance linkage table was not changed.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

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 WA623 - Instance linkage between & & and & & cannot be entered ?

  The SAP error message:
  WA623 Instance linkage between & & and & & cannot be entered
  typically occurs in the context of SAP Variant Configuration (VC) or Classification when trying to create or maintain instance linkages between objects (such as characteristics, classes, or configuration profiles).
  
  Cause
  This error indicates that the system does not allow the creation of an instance linkage between the specified objects because:
  
  The linkage between the two instances is not permitted due to system or configuration restrictions.
  The involved objects (e.g., characteristics, classes, or configuration profiles) belong to different object types or incompatible categories.
  The linkage violates consistency rules defined in the system.
  The instances may not be properly created or activated before attempting the linkage.
  There might be a missing or incorrect assignment in the configuration model or classification.
  
  
  Solution
  To resolve this error, consider the following steps:
  
  
  Check Object Types and Compatibility:
  
  Verify that the two instances you are trying to link are compatible and allowed to be linked according to your configuration model.
  For example, in Variant Configuration, instance linkages are typically allowed between certain object types (e.g., between characteristics or between classes and characteristics).
  
  
  
  Review Configuration Model:
  
  Ensure that the configuration profiles, classes, and characteristics involved are correctly defined and assigned.
  Check if the linkage is supported in the configuration profile or class hierarchy.
  
  
  
  Verify Instance Creation:
  
  Confirm that both instances exist and are active before attempting to create the linkage.
  If instances are missing or inactive, create or activate them first.
  
  
  
  Check Authorization and System Settings:
  
  Ensure you have the necessary authorizations to create or modify instance linkages.
  Review any system or client-specific restrictions that might prevent the linkage.
  
  
  
  Consult SAP Notes and Documentation:
  
  Search for SAP Notes related to message WA623 for any known issues or patches.
  Review SAP Help Portal documentation on Variant Configuration and Classification for detailed rules on instance linkages.
  
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  CU50 - Change Configuration Profile
  CL02 - Change Class
  CU51 - Create Configuration Profile
  CU53 - Display Configuration Profile
  
  
  
  SAP Modules:
  
  Variant Configuration (LO-VC)
  Classification (CL)
  
  
  
  SAP Notes:
  
  Check SAP Support Portal for notes referencing message WA623 or related to instance linkage errors.
  
  
  
  SAP Help:
  
  Variant Configuration documentation: https://help.sap.com/viewer/product/SAP_VARIANT_CONFIGURATION
  Classification documentation: https://help.sap.com/viewer/product/SAP_CLASSIFICATION
  
  
  
  
  If the problem persists after these checks, consider raising a support ticket with SAP, providing detailed information about the objects involved and the steps leading to the error.