How To Fix RSL_UI205 - Incompatible data type

SAP Error Message - Details

• Message type: E = Error

• Message class: RSL_UI -

• Message number: 205

• Message text: Incompatible data type

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSL_UI205 - Incompatible data type ?

  The SAP error message RSL_UI205, which indicates "Incompatible data type," typically arises when there is a mismatch between the expected data type and the actual data type being processed in a report or user interface. This can occur in various scenarios, such as when working with ABAP programs, reports, or when using SAP Fiori applications.
  Causes:
  
  Data Type Mismatch: The most common cause is that the data being passed to a function or method does not match the expected data type. For example, trying to pass a string where a numeric value is expected.
  Field Definitions: If the field definitions in the database or in the data model do not align with the definitions in the application layer, this error can occur.
  Incorrect Mapping: In scenarios involving data mapping (like in OData services), if the mapping between the source and target data types is incorrect, it can lead to this error.
  User Input: If user input is not validated properly and does not conform to the expected data type, it can trigger this error.
  
  Solutions:
  
  Check Data Types: Review the data types of the variables or fields involved in the operation. Ensure that they match the expected types in the function or method being called.
  Debugging: Use the debugging tools in SAP to trace the execution of the program and identify where the data type mismatch occurs. This can help pinpoint the exact location of the error.
  Validation: Implement validation checks to ensure that user inputs or data being processed conform to the expected data types before they are used in operations.
  Adjust Field Definitions: If the issue is related to field definitions, ensure that the database schema and the application layer are in sync. This may involve adjusting the data model or the way data is retrieved and processed.
  Review OData Services: If the error occurs in an OData service, check the service metadata and ensure that the data types defined in the service match those in the backend.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Documentation: Review the documentation for the specific SAP module or application you are working with to understand the expected data types and structures.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to identify and resolve the cause of the RSL_UI205 error in your SAP environment.