How To Fix RSDHA401 - Invalid L type

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 401

• Message text: Invalid L 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 RSDHA401 - Invalid L type ?

  The SAP error message RSDHA401 "Invalid L type" typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the data source or the data model configuration. This error is related to the handling of data types in the InfoObjects or data sources.
  Cause:
  
  Invalid Data Type: The error usually indicates that there is an invalid or unsupported data type (L type) being used in the InfoObject or data source definition.
  Inconsistent Data Model: There may be inconsistencies in the data model, such as incorrect mappings or definitions that do not align with the expected data types.
  Data Source Configuration: The data source may not be configured correctly, leading to issues when trying to load or transform data.
  
  Solution:
  
  Check InfoObject Definitions: Review the definitions of the InfoObjects involved. Ensure that the data types are correctly defined and that there are no unsupported types.
  Validate Data Source: Check the configuration of the data source. Make sure that it is set up correctly and that the mappings to the InfoObjects are valid.
  Data Type Compatibility: Ensure that the data types used in the source system are compatible with those defined in SAP BW. If necessary, adjust the data types in the source system or in the BW model.
  Re-activate Objects: Sometimes, reactivating the InfoObjects or the data source can resolve inconsistencies. This can be done in the SAP BW modeling tools.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as there may be fixes related to this error in newer versions.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to the RSDHA401 error. SAP Notes often provide detailed troubleshooting steps and solutions.
  Transaction Codes: Use transaction codes like RSA1 (Data Warehousing Workbench) to access InfoObjects and data sources for review and modification.
  Logs and Traces: Review the logs and traces for more detailed error messages that can provide additional context for the issue.
  
  If the problem persists after following these steps, consider reaching out to SAP support or consulting with a BW expert for further assistance.