How To Fix RSDHA390 - Data types of InfoObject '&1' and field '&2' are not compatible

RSDHA390 - Overview

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 390

• Message text: Data types of InfoObject '&1' and field '&2' are not compatible

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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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDHA390 - Data types of InfoObject '&1' and field '&2' are not compatible ?

  The SAP error message RSDHA390 indicates that there is a data type mismatch between an InfoObject and a field in a data source or transformation. This typically occurs when you are trying to map fields from a source system to InfoObjects in SAP BW (Business Warehouse) and the data types do not align.
  
  Cause:
  
  Data Type Mismatch: The most common cause is that the data type of the InfoObject (e.g., CHAR, NUMC, DATS) does not match the data type of the field in the source system or the transformation.
  Field Length Differences: Even if the data types are the same, differences in field lengths can also lead to this error.
  Incorrect Mapping: The mapping in the transformation might be incorrectly set up, leading to an attempt to map incompatible data types.
  
  
  Solution:
  
  
  Check Data Types: Verify the data types of both the InfoObject and the source field. You can do this by:
  
  Going to the InfoObject definition