How To Fix RSDHA302 - Invalid type for parameter '&1'

RSDHA302 - Overview

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 302

• Message text: Invalid type for parameter '&1'

Self-Explanatory Message

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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RSDHA302 - Details

• The SAP error message RSDHA302, which states "Invalid type for parameter '&1'", typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the data type of a parameter being used in a query or a data model. This error can arise in various scenarios, such as when defining InfoObjects, queries, or when working with data sources.
  Causes:
  
  Incorrect Data Type: The parameter specified in the error message may have an incorrect data type that does not match the expected type for the operation being performed.
  Inconsistent Metadata: There may be inconsistencies in the metadata definitions of InfoObjects or queries, leading to mismatches in expected data types.
  
  Configuration Issues: The configuration of the InfoProvider or the query may not be set up correctly, leading to invalid parameter types.
  Changes in Data Model: If there have been recent changes to the data model, such as changes to InfoObjects or transformations, it