How To Fix FT119 - Only specify 1 : N or N : 1 for the relation

SAP Error Message - Details

• Message type: E = Error

• Message class: FT - FI Table Maintenance Error Messages

• Message number: 119

• Message text: Only specify 1 : N or N : 1 for the relation

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FT119 - Only specify 1 : N or N : 1 for the relation ?

  The SAP error message FT119 ("Only specify 1 : N or N : 1 for the relation") typically occurs in the context of defining relationships between objects in the SAP system, particularly when working with data modeling or configuration in areas like SAP BW (Business Warehouse) or SAP HANA.
  Cause:
  This error arises when there is an attempt to define a relationship between two entities (like tables or data objects) in a way that does not conform to the expected cardinality. The cardinality defines how many instances of one entity can be associated with instances of another entity. The error indicates that the relationship must be either:
  
  1:N (One to Many): One instance of the first entity can relate to many instances of the second entity.
  N:1 (Many to One): Many instances of the first entity can relate to one instance of the second entity.
  
  If the relationship is defined in a way that does not fit these criteria (for example, a many-to-many relationship), the system will throw this error.
  Solution:
  To resolve the FT119 error, you should:
  
  
  Review the Relationship Definition: Check the relationship you are trying to define. Ensure that it adheres to the 1:N or N:1 cardinality rules.
  
  
  Adjust the Cardinality: If you find that the relationship is incorrectly defined, modify it to fit one of the acceptable cardinalities. This may involve changing the way data is structured or how entities are related.
  
  
  Consult Documentation: Refer to SAP documentation or guidelines specific to the module you are working with (e.g., SAP BW, SAP HANA) for best practices on defining relationships.
  
  
  Test Changes: After making adjustments, test the changes to ensure that the error is resolved and that the relationships function as intended.
  
  
  Related Information:
  
  Data Modeling: Understanding data modeling concepts in SAP can help prevent such errors. Familiarize yourself with how entities relate to one another.
  SAP Community: Engaging with the SAP Community or forums can provide insights from other users who may have encountered similar issues.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context or solutions.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.