How To Fix /BOBF/CONF126 - Association &1 from node &2 to &3 has wrong cardinality - 1:1, 1:c only

SAP Error Message - Details

• Message type: E = Error

• Message class: /BOBF/CONF -

• Message number: 126

• Message text: Association &1 from node &2 to &3 has wrong cardinality - 1:1, 1:c only

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /BOBF/CONF126 - Association &1 from node &2 to &3 has wrong cardinality - 1:1, 1:c only ?

  The SAP error message /BOBF/CONF126 indicates that there is an issue with the cardinality of an association in the Business Object Framework (BOF) configuration. This error typically arises when the defined cardinality of an association between two nodes does not match the expected cardinality constraints.
  Cause:
  The error message specifies that the association from node &2 to node &3 has a cardinality that is not compatible with the expected configuration. The cardinality constraints mentioned (1:1, 1:c) imply that:
  
  1:1 means that for each instance of node &2, there can be exactly one instance of node &3.
  1:c means that for each instance of node &2, there can be one or more instances of node &3.
  
  If the actual data or configuration allows for a different relationship (for example, if node &2 can relate to multiple instances of node &3 when it should only relate to one), this error will be triggered.
  Solution:
  To resolve this error, you should:
  
  
  Check the Association Definition: Review the association definition in the Business Object Framework configuration. Ensure that the cardinality defined for the association between the two nodes matches the intended business logic.
  
  
  Adjust Cardinality: If the business logic requires a different relationship (e.g., if node &2 should be able to relate to multiple instances of node &3), you may need to change the cardinality in the association definition to reflect that.
  
  
  Data Consistency: Ensure that the data in the database adheres to the defined cardinality. If there are existing records that violate the cardinality constraints, you may need to clean up the data.
  
  
  Testing: After making changes, test the configuration to ensure that the error no longer occurs and that the associations work as expected.
  
  
  Related Information:
  
  BOBF Documentation: Refer to the SAP documentation on the Business Object Framework for detailed information on defining associations and cardinalities.
  Transaction Codes: You may use transaction codes like BOBF or SE11 to view and modify the Business Object definitions.
  Debugging: If the issue persists, consider using debugging tools to trace the execution and identify where the cardinality mismatch is occurring.
  
  By following these steps, you should be able to resolve the /BOBF/CONF126 error and ensure that your associations are correctly defined and functioning as intended.