How To Fix SDDL_PARSER_MSG206 - Cardinality cannot be specified for association "&1"

SAP Error Message - Details

• Message type: E = Error

• Message class: SDDL_PARSER_MSG - Message Class for DDL Parser

• Message number: 206

• Message text: Cardinality cannot be specified for association "&1"

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SDDL_PARSER_MSG206 - Cardinality cannot be specified for association "&1" ?

  The SAP error message SDDL_PARSER_MSG206 indicates that there is an issue with the cardinality specification for an association in your data model. This error typically arises in the context of SAP's data modeling tools, such as when working with the ABAP Dictionary or when defining associations in Core Data Services (CDS) views.
  Cause:
  The error message "Cardinality cannot be specified for association '&1'" suggests that you are trying to define cardinality (e.g., one-to-one, one-to-many) for an association that does not support it. This can happen in the following scenarios:
  
  
  Incorrect Association Definition: The association might be defined in a way that does not allow for cardinality specification. For example, if the association is between two entities that are not directly related or if the relationship is inherently many-to-many.
  
  
  Modeling Constraints: The underlying data model may have constraints that prevent the specification of cardinality. For instance, if the entities involved are not properly defined or if there are conflicting definitions.
  
  
  Syntax Errors: There may be syntax errors in the definition of the association that lead to the parser being unable to interpret the cardinality.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Review Association Definition: Check the definition of the association in your data model. Ensure that it is correctly defined and that the entities involved are compatible with the cardinality you are trying to specify.
  
  
  Remove Cardinality Specification: If the association does not support cardinality, consider removing the cardinality specification altogether. This may be appropriate if the relationship is inherently many-to-many or if the association is not meant to have a defined cardinality.
  
  
  Check Entity Relationships: Ensure that the entities involved in the association are correctly defined and that their relationships are clear. If necessary, redefine the entities or their relationships to align with the intended cardinality.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific version you are using to understand the rules and constraints regarding associations and cardinality.
  
  
  Testing: After making changes, test the data model to ensure that the error is resolved and that the associations behave as expected.
  
  
  Related Information:
  
  SAP Documentation: Check the official SAP Help Portal for detailed information on data modeling, associations, and cardinality in the context of your specific SAP environment.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  Version-Specific Considerations: Be aware that different versions of SAP may have different rules or capabilities regarding data modeling, so ensure that you are referencing the correct version of the documentation.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.