How To Fix RSM421 - Routine &1 for characteristic &2 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM -

• Message number: 421

• Message text: Routine &1 for characteristic &2 does not exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSM421 - Routine &1 for characteristic &2 does not exist ?

  The SAP error message RSM421 indicates that a routine specified for a characteristic in a data transfer process (DTP) or in a transformation does not exist. This typically occurs in the context of data extraction, transformation, and loading (ETL) processes within SAP BW (Business Warehouse).
  Cause:
  
  Missing Routine: The specified routine (a piece of ABAP code that processes data) for the characteristic does not exist in the system. This could happen if the routine was deleted or if the transport containing the routine was not imported into the target system.
  Incorrect Configuration: The transformation or DTP might be incorrectly configured, pointing to a routine that is not defined.
  Transport Issues: If the routine was created in a development environment and not properly transported to the production environment, it may lead to this error.
  
  Solution:
  
  
  Check Routine Existence: 
  
  Go to the transformation or DTP where the error is occurring and check if the routine is defined.
  You can do this by navigating to the relevant transformation in the SAP BW system and checking the routines associated with the characteristic.
  
  
  
  Create or Restore the Routine:
  
  If the routine does not exist, you may need to create it. This involves writing the necessary ABAP code to handle the data processing for that characteristic.
  If the routine was deleted accidentally, you may need to restore it from a backup or re-implement it.
  
  
  
  Review Transport Requests:
  
  If the routine was supposed to be transported from another system, check the transport requests to ensure that they were successfully imported.
  If not, you may need to re-transport the relevant objects.
  
  
  
  Check for Naming Issues:
  
  Ensure that the name of the routine is correctly specified in the transformation or DTP. Sometimes, typographical errors can lead to this error.
  
  
  
  Consult Documentation:
  
  Review any documentation related to the transformation or DTP to ensure that all necessary routines are accounted for.
  
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to navigate to the relevant transformations and DTPs.
  ABAP Editor: Use transaction SE38 or SE80 to create or modify routines.
  Error Logs: Check the error logs for more details on the error, which can provide additional context for troubleshooting.
  
  By following these steps, you should be able to identify the cause of the RSM421 error and implement a solution to resolve it.