How To Fix SBD_MESSAGES013 - Cardinality &1 is invalid; valid values at this position are "1","0..1"

SAP Error Message - Details

• Message type: E = Error

• Message class: SBD_MESSAGES - Messages for source based DDIC

• Message number: 013

• Message text: Cardinality &1 is invalid; valid values at this position are "1","0..1"

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SBD_MESSAGES013 - Cardinality &1 is invalid; valid values at this position are "1","0..1" ?

  The SAP error message SBD_MESSAGES013 indicates that there is an issue with the cardinality definition in your SAP system, specifically in the context of Service-Oriented Architecture (SOA) or when working with Business Object definitions. Cardinality defines the number of instances of a particular element that can exist in a given context.
  Cause:
  The error message states that the cardinality specified (denoted by &1) is invalid. The valid cardinality values at that position are "1" (exactly one instance) and "0..1" (zero or one instance). This error typically occurs when:
  
  Incorrect Cardinality Definition: The cardinality defined in the data model or service interface does not conform to the expected values.
  Mapping Issues: There may be a mismatch between the data model and the actual data being processed, leading to an invalid cardinality being referenced.
  Configuration Errors: There could be configuration issues in the service definition or the underlying data structure.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Cardinality Definition:
  
  Review the data model or service interface where the cardinality is defined.
  Ensure that the cardinality is set to either "1" or "0..1" as required by the business logic.
  
  
  
  Validate the Data Mapping:
  
  Ensure that the data being processed adheres to the defined cardinality. If the data source is providing more instances than allowed, you may need to adjust the data or the mapping logic.
  
  
  
  Adjust Configuration:
  
  If you are using a configuration tool (like SAP PI/PO or SAP Gateway), check the configuration settings for the service or interface to ensure they are correctly set up.
  
  
  
  Test the Changes:
  
  After making the necessary adjustments, test the service or data processing again to ensure that the error is resolved.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or community forums for additional guidance on cardinality issues specific to your version of SAP.
  
  
  
  Related Information:
  
  
  Cardinality Definitions:
  
  "1": Indicates that exactly one instance of the element is required.
  "0..1": Indicates that the element is optional, meaning it can either be absent or present once.
  
  
  
  SAP Community: Engaging with the SAP Community can provide insights from other users who may have encountered similar issues.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to cardinality errors.
  
  
  By following these steps, you should be able to identify and correct the cause of the SBD_MESSAGES013 error in your SAP environment.