How To Fix RSRV203 - Characteristic &1 has no conversion routine; No check necessary

SAP Error Message - Details

• Message type: E = Error

• Message class: RSRV -

• Message number: 203

• Message text: Characteristic &1 has no conversion routine; No check necessary

What causes this issue?

Characteristic &V1& does not use a conversion exit. The characteristic
values are displayed exactly as they appear in the master data table.
For compounded characteristics, this means that superordinate
characteristics do not use conversion exits either.
You do not have to check the characteristics.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSRV203 - Characteristic &1 has no conversion routine; No check necessary ?

  The SAP error message RSRV203 indicates that a characteristic in your InfoObject does not have a conversion routine defined. This typically occurs in the context of SAP BW (Business Warehouse) when you are working with InfoObjects and trying to perform data validation or consistency checks.
  Cause:
  
  Missing Conversion Routine: The characteristic specified in the error message does not have a conversion routine assigned. Conversion routines are used to convert data from one format to another, and if one is not defined, the system cannot perform necessary checks or conversions.
  Data Type Issues: The characteristic may have a data type that does not require a conversion routine, or it may be incorrectly configured.
  Custom Characteristics: If the characteristic is a custom one, it may not have been properly set up during the development phase.
  
  Solution:
  
  
  Define a Conversion Routine:
  
  Go to the transaction code RSD1 (InfoObject Maintenance).
  Find the characteristic that is causing the error.
  Check the "Conversion Routine" field and assign an appropriate conversion routine if it is missing.
  Save your changes.
  
  
  
  Check Data Type:
  
  Ensure that the data type of the characteristic is appropriate for the data it is supposed to hold. If it is a characteristic that should not have a conversion routine, ensure that it is set up correctly.
  
  
  
  Recheck InfoObject Settings:
  
  Review the settings of the InfoObject to ensure that all necessary attributes and properties are correctly defined.
  
  
  
  Run Consistency Checks:
  
  After making changes, run the consistency checks again using transaction RSRV to ensure that the issue has been resolved.
  
  
  
  Consult Documentation:
  
  If you are unsure about which conversion routine to use, refer to SAP documentation or consult with your SAP BW team for guidance.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  RSD1: InfoObject Maintenance
  RSRV: Consistency Check for InfoObjects
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  SAP Community: Engage with the SAP Community forums for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the RSRV203 error and ensure that your InfoObject is correctly configured for data processing in SAP BW.