How To Fix RSWADBACKEND026 - Input and output to identical file name list &1 not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: RSWADBACKEND - Message for Backend Web-Designtime Operation

• Message number: 026

• Message text: Input and output to identical file name list &1 not allowed

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 RSWADBACKEND026 - Input and output to identical file name list &1 not allowed ?

  The SAP error message RSWADBACKEND026 indicates that there is an issue with the input and output file names being the same in a data transfer process, specifically when using the SAP Data Transfer Process (DTP) or similar functionalities. This error typically arises when you are trying to read from and write to the same file, which is not allowed.
  
  Cause:
  The primary cause of this error is that the system is trying to use the same file name for both input and output operations. This can happen in scenarios such as:
  
  When configuring a DTP or data extraction process where the source and target file names are mistakenly set to the same value.
  When using a program or report that requires separate file names for reading and writing data.
  
  
  Solution:
  To resolve this error, you need to ensure that the input and output file names are different. Here are the steps you can take:
  
  
  Check Configuration: Review