How To Fix DS174 - A parameter must be assigned to each Dictionary field

SAP Error Message - Details

• Message type: E = Error

• Message class: DS - Messages for Editing Text Elements in ABAP Programs

• Message number: 174

• Message text: A parameter must be assigned to each Dictionary field

What causes this issue?

For each column "nth field in list", there must be a corresponding
column "nth parameter" containing a parameter from the program called
in the remote system.

How to fix this error?

Enter a value in the column "nth parameter" or delete the entry in the
column "nth field in list".

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DS174 - A parameter must be assigned to each Dictionary field ?

  The SAP error message DS174, which states "A parameter must be assigned to each Dictionary field," typically occurs in the context of Data Services (DS) when working with data flows or data transformations. This error indicates that there is a missing assignment for a parameter in the data dictionary fields that are being used in your job or data flow.
  Cause:
  
  
  Missing Parameter Assignment: The most common cause of this error is that one or more fields in the data dictionary do not have corresponding parameters assigned to them. This can happen if you have defined fields in your data flow but have not provided the necessary parameters for those fields.
  
  
  Incorrect Field Mapping: If the fields in your source or target do not match the expected fields in the data dictionary, this error can also occur.
  
  
  Data Type Mismatch: If there is a mismatch in the data types between the source and the target fields, it may lead to this error.
  
  
  Solution:
  
  
  Check Parameter Assignments: Go through your data flow and ensure that every field in the data dictionary has a corresponding parameter assigned. You can do this by:
  
  Opening the data flow in the Data Services Designer.
  Checking each field in the data dictionary and ensuring that it has a parameter assigned.
  
  
  
  Review Field Mappings: Ensure that all fields are correctly mapped from the source to the target. If any fields are missing or incorrectly mapped, correct them.
  
  
  Validate Data Types: Make sure that the data types of the fields in the source and target match the expected data types in the data dictionary. If there are discrepancies, adjust the data types accordingly.
  
  
  Recreate the Data Flow: If the issue persists, consider recreating the data flow or the specific transformation that is causing the error. Sometimes, starting fresh can resolve underlying issues.
  
  
  Consult Documentation: Refer to the SAP Data Services documentation for more detailed information on how to properly configure data flows and parameter assignments.
  
  
  Related Information:
  
  SAP Data Services Documentation: Always refer to the official SAP documentation for the version you are using, as it provides detailed guidelines and best practices.
  SAP Community Forums: Engaging with the SAP community can provide insights from other users who may have encountered similar issues.
  Error Logs: Check the error logs for more detailed information about the error context, which can help in troubleshooting.
  
  By following these steps, you should be able to resolve the DS174 error and ensure that all dictionary fields are properly assigned parameters.