no data preview in analytical view

Hi All,

When i am preview data in analytical view i am getting following error.

Error Executing Query: SAP DBTech JDBC: [2048]: column store error: search table error:  [6900] Error executing physical plan: exception 6900:

AttributeEngine/Parallel/Aggregation.cpp:6002

Attribute engine failed; $function$=createDimReaders; $message$=Found multiple dimension columns with multivalue on the same key. Check model for correct join cardinalities! columns: ITEM_ID, ITEM_NAME

kindly let me know where i am going wrong.

Thanks

Shalini