How To Fix USMD1017 - Data model &1, entity type &2, relationship &3: Select the cardinality

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD1 - Datenmodel

• Message number: 017

• Message text: Data model &1, entity type &2, relationship &3: Select the cardinality

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1017 - Data model &1, entity type &2, relationship &3: Select the cardinality ?

  The SAP error message USMD1017 typically occurs in the context of SAP Master Data Governance (MDG) when you are working with data models and relationships between entities. This error indicates that there is an issue with the cardinality of a relationship defined in the data model.
  Cause:
  The error message "USMD1017 Data model &1, entity type &2, relationship &3: Select the cardinality" suggests that the system requires you to specify the cardinality for a relationship between two entity types in your data model. Cardinality defines the numerical relationship between instances of the two entities, such as one-to-one, one-to-many, or many-to-many.
  Solution:
  To resolve this error, you need to specify the cardinality for the relationship in the data model. Here are the steps to do this:
  
  
  Access the Data Model: Go to the relevant data model in the SAP MDG configuration.
  
  
  Locate the Relationship: Find the specific relationship (indicated by &3 in the error message) between the entity types (indicated by &2).
  
  
  Define Cardinality: 
  
  Open the relationship settings.
  Look for the option to define cardinality.
  Choose the appropriate cardinality type (e.g., 1:1, 1:N, N:M) based on the business requirements and the nature of the relationship between the entities.
  
  
  
  Save Changes: After defining the cardinality, save your changes to the data model.
  
  
  Test the Configuration: After making the changes, test the configuration to ensure that the error no longer appears and that the relationships function as expected.
  
  
  Related Information:
  
  
  Cardinality Types:
  
  One-to-One (1:1): Each instance of entity A is related to one instance of entity B and vice versa.
  One-to-Many (1:N): Each instance of entity A can be related to multiple instances of entity B, but each instance of entity B is related to only one instance of entity A.
  Many-to-Many (N:M): Instances of entity A can be related to multiple instances of entity B and vice versa.
  
  
  
  Documentation: Refer to the SAP Help Portal or the specific documentation for SAP MDG for more detailed information on data modeling and cardinality definitions.
  
  
  Testing: After making changes, it is advisable to perform thorough testing to ensure that the data model behaves as expected in various scenarios.
  
  
  By following these steps, you should be able to resolve the USMD1017 error and successfully define the cardinality for the specified relationship in your data model.