Message type: E = Error
Message class:  RSODSO_GUI - UI related messages 
Message number: 006
Message text: Row &1: Data element &2 does not exist
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.
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The SAP error message RSODSO_GUI006 typically indicates that there is an issue with a data element in a DataStore Object (DSO) or InfoProvider. Specifically, the error message states that a certain data element (identified by &2) does not exist for the row (identified by &1) in the context of the operation you are trying to perform.
Cause: Missing Data Element: The data element referenced in the error message may not exist in the system. This could be due to a deletion, a transport issue, or a misconfiguration. Incorrect Data Model: The DSO or InfoProvider may have been modified, and the data element was not properly updated or removed from the data model. Transport Issues: If the DSO was transported from one system to another, the data element may not have been included in the transport request. Versioning Issues: If you are working with different versions of the DSO or InfoProvider, the data element may exist
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