Message type: E = Error
Message class:  AQQIS_CNTRL - Join-Control InfoSet 
Message number: 035
Message text: Illegal join conditions
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The SAP error message AQQIS_CNTRL035 "Illegal join conditions" typically occurs in the context of queries or reports where there are issues with the way tables are being joined in the underlying data model. This error can arise in various scenarios, such as when using SAP BW (Business Warehouse) or SAP HANA.
Cause: Invalid Join Conditions: The error usually indicates that the join conditions specified between tables are not valid. This could be due to: Mismatched data types between the fields being joined. Non-existent fields in one of the tables. Incorrect logical relationships between the tables. Missing Keys: If the join is based on keys that are not defined or are missing in one of the tables, this can lead to the error. Complex Joins: Sometimes, overly complex join conditions or circular references can also trigger this error. Data Model Issues: If the data model has not been properly defined or if there are inconsistencies in the data model,
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