Message type: E = Error
Message class:  SADL_GW_EXPOSURE - SADL Gateway Exposure 
Message number: 026
Message text: Association between entities with parameters & and & is not supported
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The SAP error message SADL_GW_EXPOSURE026 indicates that there is an issue with the association between entities in the context of the SAP Gateway and the SAP Data Access Layer (SADL). This error typically arises when you are trying to create or expose an OData service that involves associations between entities that are not supported due to certain constraints or configurations. Cause The error can occur due to several reasons: Unsupported Associations: The association between the entities you are trying to use may not be supported by the SADL framework. This can happen if the entities are not properly defined or if the association does not conform to the expected structure. Parameter Mismatch: The parameters defined in the association may not match the expected types or cardinalities. Model
Configuration Issues: There may be issues in the way the data model is configured, such as missing or incorrectly defined relationships between entities. Incompatible Data Types: The data types
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