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

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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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