Warning: 2012-09-12 14:19:48.10 Code: 0x411F0002 Source: Analysis Services Processing Task Analysis Services Execute DDL Task Description: Errors in the OLAP storage engine: A duplicate attribute key has been found when processing: Table: 'BBDW_DIM_MARKETINGSEGMENT', Column: 'SEGMENTDESCRIPTION', Value: 'Fall 2012 DM Solicitation Appeal'. The attribute is 'Segment Description'. End Warning
This error occurs when performing an ETL refresh and is caused by direct marketing segments having identical descriptions.
This is caused by white space at the end of the description.