How To Fix RSDS244 - Field &1 has digressive output length and cannot be used as a delta field

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 244

• Message text: Field &1 has digressive output length and cannot be used as a delta field

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDS244 - Field &1 has digressive output length and cannot be used as a delta field ?

  The SAP error message RSDS244 indicates that a field in your DataSource has a digressive output length, which means that the length of the data in that field can vary and is not fixed. This can cause issues when trying to use that field as a delta field in a DataSource, as delta fields require a consistent and fixed length for proper processing.
  Cause:
  
  Variable Length Fields: The field in question may be defined as a variable-length field (e.g., a string or text field) in the underlying database or data source. This can lead to inconsistencies in how the data is processed during delta extraction.
  DataSource Configuration: The DataSource may be incorrectly configured to include a field that is not suitable for delta processing due to its variable length.
  
  Solution:
  
  Review Field Definition: Check the definition of the field in the underlying database or source system. If it is a variable-length field, consider whether it can be changed to a fixed-length field or if it can be excluded from the delta process.
  Exclude the Field from Delta: If the field is not essential for delta processing, you can exclude it from the DataSource configuration. This can be done in the DataSource settings in the SAP BW system.
  Use a Different Field: If possible, use a different field that has a fixed length and is suitable for delta processing.
  Modify DataSource: If you have control over the DataSource, you may need to modify it to ensure that only fields with fixed lengths are included in the delta process.
  
  Related Information:
  
  Delta Mechanism: Understand how delta mechanisms work in SAP BW. Delta extraction is designed to capture only the changes made to the data since the last extraction, and it relies on fields that can consistently represent these changes.
  DataSource Configuration: Familiarize yourself with the DataSource configuration in SAP BW, including how to define fields and their properties.
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or updates related to this error message.
  
  If you continue to experience issues, consider reaching out to your SAP support team or consulting the SAP community for further assistance.