How To Fix /PM0/ABU_IBC_MSG144 - Template &1 (&2): Max.cardinality &3 for rel.to entity &4 not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABU_IBC_MSG -

• Message number: 144

• Message text: Template &1 (&2): Max.cardinality &3 for rel.to entity &4 not permitted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABU_IBC_MSG144 - Template &1 (&2): Max.cardinality &3 for rel.to entity &4 not permitted ?

  The SAP error message /PM0/ABU_IBC_MSG144 typically relates to issues with cardinality constraints in the context of Integrated Business Planning (IBP) or similar applications. This error indicates that the maximum cardinality defined for a relationship to an entity is being exceeded.
  Cause:
  
  Cardinality Violation: The error occurs when the number of instances of a related entity exceeds the maximum cardinality defined for that relationship. For example, if a relationship is defined to allow a maximum of 1 instance (1:1 relationship) and the system is trying to create or link more than one instance, this error will be triggered.
  Data Model Configuration: The data model may have been incorrectly configured, leading to a mismatch between the expected and actual data relationships.
  Data Integrity Issues: There may be issues with the data being loaded or processed, such as duplicates or incorrect mappings.
  
  Solution:
  
  Review Cardinality Settings: Check the cardinality settings in the data model configuration for the entities involved. Ensure that the maximum cardinality is set correctly according to the business requirements.
  Data Validation: Validate the data being processed to ensure that it adheres to the defined cardinality constraints. Look for duplicates or incorrect relationships in the data.
  Adjust Data Load Process: If the error occurs during a data load process, consider adjusting the data load logic to ensure that it respects the cardinality constraints.
  Consult Documentation: Refer to the SAP documentation for the specific application you are using (e.g., IBP) to understand the cardinality rules and how to configure them properly.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that no new issues arise.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed.
  Data Model Documentation: Review the documentation for the specific data model you are working with to understand the relationships and cardinality settings.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.