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

RSRV203 - Overview

• 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