How To Fix RSDS143 - &1: Field name is longer than 16 characters

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 143

• Message text: &1: Field name is longer than 16 characters

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDS143 - &1: Field name is longer than 16 characters ?

  The SAP error message RSDS143 indicates that a field name exceeds the maximum allowed length of 16 characters. This error typically occurs in the context of DataSources, especially when working with SAP BW (Business Warehouse) or SAP BI (Business Intelligence) systems.
  Cause:
  The primary cause of this error is that the field name defined in the DataSource or InfoSource exceeds the 16-character limit imposed by SAP. This can happen when:
  
  You are trying to create or modify a DataSource and have defined a field with a name longer than 16 characters.
  The field names in the underlying database or source system exceed this limit when being mapped to the DataSource in SAP BW.
  
  Solution:
  To resolve the RSDS143 error, you can take the following steps:
  
  
  Check Field Names: Review the field names in your DataSource or InfoSource definition. Ensure that all field names are 16 characters or fewer.
  
  
  Rename Fields: If you find any field names that exceed the limit, rename them to be within the 16-character constraint. This may involve shortening the name or using abbreviations.
  
  
  Modify DataSource: If the DataSource is based on a table or view in the source system, you may need to modify the underlying structure to ensure that the field names comply with the length restriction.
  
  
  Recreate DataSource: In some cases, it may be easier to recreate the DataSource with the correct field names rather than modifying an existing one.
  
  
  Check for Updates: Ensure that your SAP system is up to date, as there may be patches or updates that address related issues.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on naming conventions and limitations for your version of SAP BW or BI.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or known issues related to RSDS143. SAP Notes often provide additional context or solutions for specific scenarios.
  Field Naming Conventions: Familiarize yourself with SAP's field naming conventions and limitations to avoid similar issues in the future.
  Testing: After making changes, test the DataSource to ensure that it functions correctly and that the error has been resolved.
  
  By following these steps, you should be able to resolve the RSDS143 error and ensure that your DataSource definitions comply with SAP's field name length restrictions.